Florida's . Six species are known to occur in Florida. 123). A review of the aquatic gastropod subfamily Cochliopinae (Prosobranchia, Hydrobiidae). The shell characters given above for separating the families apply only to Florida species.
Brown Garden Snail | College of Agricultural Sciences EENY148/IN305: Tree Snails of Florida, Drymaeus - University of Florida Two Land Snails from Florida - What's That Bug? The LIOPLACINAE is endemic and include Campeloma, Lioplax, and Tulotoma.
Common Shells of SW Florida and Keewaydin Island Beaches 124). An invasive snail species known as the giant African land snail has officially been eradicated in the state of Florida after years of attempts and $24 million worth . The radula can be studied by dissecting out the buccal mass and macerating it in clorox or sodium hydroxide. Radial riblets on entire surface of shell except apex. 24, 27). Aperture loosely attached to or slightly free from preceding whorl. Shell light brown and frequently mottled with rust-colored spots that may form a spiral row below the suture. 1963. Shell sculptured with vertical, weakly curved ribs and much finer spiral striations.
Seashell Identification | Shell ID | Identify Sanibel Shell | I Love Spiral sculpture faint or absent (Figs. Length of shell 2.0-2.5 mm (Fig. Suture more deeply impressed than in 77a. They can also carry rat lungworm, which causes meningitis in humans. 1979b. They are variable in their shell characteristics, and some samples may be difficult to identify. Blue Spring Hydrobe Suture of whorls more deeply impressed than in previous species. Two-ridged Rams-horn Clench, W.J.
Snail Kite: Species Profile - National Park Service 208, 209), although radial striations may be present on other areas of shell. Marginal teeth of radula trapezoidal with well-differentiated cusps. Basal lip of peristome deeply receded. Shell short and stocky. 17-29). Body whorl relatively rapidly expanding in diameter (Fig. Suture deeply impressed, forming a channel.
Florida applesnail (Pomacea paludosa) - Species Profile - USGS Shell larger, 2.2-4.8 mm long. 1978. Curator of Malacology Parietal margin of operculum convex. It is most common in Southwest Florida, and northwest Florida. The Pleuroceridae of the Atlantic Coastal Plain. Fawn Melania
giant applesnail (Pomacea maculata) - Species Profile - USGS (Sowerby, 1878). Aperture oval, about 0.75 times as wide as high. Widely umbilicate. 161, 164, 167). Published April 18, 2013
Giant African land snail: A Florida county is quarantining after a The specie prefer quite clear water, of lakes and backwaters of streams andsprings. The species made a return in 2011 and eradication efforts took another ten years.
Pomacea paludosa - Wikipedia The rosy wolfsnail was introduced into Hawaii in 1955 as a biological control for the invasive . Shell ovate, smooth or with fine raised riblets; riblets usually on the anterior slope when present. Bugle Sprite Suture relatively shallow. Littoridinops tenuipes Lip of adult shell usually with a thick crest externally and an internal callus. 97). 81). Fine vertical ribs present on uppermost whorls. 87). 57). Numerous species of exotic snails are serious pests of plants and threats to public health. Typically, land snails live on or near the ground, feed on decaying plant matter, and lay their eggs in the soil. Umbilicus open. Sides of spire concave in outline (Fig. (Thompson, 1968). Umbilical perforation narrow, 1/8 1/10 diameter of shell. In 2011, a population of the pests was discovered in Miami-Dade County. Floridobia mica 128). Identification. (Conrad, 1834). (Mihalcik & Thompson, 2002). Bayou Physa Ichetucknee Siltsnail The primary differences between the two families are based on soft anatomy. Fenney Spring Hydrobe It is believed the snail was introduced via the railway cars coming from Mexico. 2002. Revista de Biologia Trpical, 51 (supplement): 1-299. Shell large, 3.7-4.5 mm long; adults with 4.6-5.3 whorls; lower corner of aperture slightly extended forward as a weak, tongue-like projection (Fig. Haitia bermudezi Shell squat, compact, cylindric-conical in shape, thick and opaque. However, this appears to be an over reduction, and several southern species were synonymized that appear worthy of recognition. Radial striations present on shell but not on apex. Shell conical or cylindric-conical. Papilla with a duct that leads to a blind caecum in nape of snail. Aperture widely separated from preceding whorl. Waccasassa Elimia Shell moderately elevated, over 0.25 times as high as long. Operculum paucispiral, with about three rapidly expanding whorls (Fig. University of Florida 110, 111, 68). About fifteen species have been described from North America. Shell medium-sized or large; 5.4-7.5 mm long; thick and opaque; ovate or globose; apical whorls depressed; sides of spire rounded; body whorl conspicuously enlarged, ample, rapidly descending to aperture along last half whorl. The bodies of large snails, such as viviparids and pilids, should be pulled from the shell. 120). One species, Spilochlamys turgida (Thompson, 1969), the Pumpkin Siltsnail (Fig. Shell cap-shaped or limpet-like with a wide, open aperture forming base of shell (Figs. In some genera, eggs are deposited above the water in dry clusters on stems, trees, walls, etc. (Vail, 1979). The horntail snail belongs to the genus Macrochlamys (family Ariophantidae), which has over a hundred described species distributed from South to Southeast Asia and southern China (Pholyotha et al. Operculum calcareous with two pegs on inner surface (Figs. (Thompson, 1968). Opercula should be glued to cotton plugs and replaced within the aperture. Medium- to large-sized tropical freshwater snails. Aperture relatively ample (Figs. The Florida Department of Agriculture and Consumer . Snails on corn. Spire long, 1.3-1.7 times length of aperture, convex in outline; shell relatively large and nearly cylindrical; 4.0-4.9 mm long; whorls 5.0-5.7, strongly rounded with a deeply impressed suture (Fig.
USDA APHIS | Giant African Snail Shape highly variable, usually disc-shaped but some specimens with flat-topped raised spire. Other species deposit eggs during the period of March through May, at which time the adults die and immature forms dominate the population through August or September. Apex distinctly convex in outline. After the shells are thoroughly rinsed, they can be air-dried in cardboard trays. A single glandular crest present on apex of terminal lobe (Figs. Spiral sculpture absent. Shell obese and ponderous. Taylor (2003) monographed the family Physidae. (Clench & Turner, 1956). Oftentimes you'll see trails of mucous around these damaged sites. Floridobia porterae This is particularly so in the Pulmonata. Newborn shells brown. (Call, 1886). 98). Gray to brownish-yellow in color. Most other genera have received relatively minor attention, and their systematics are in flux. Aphaostracon hypohyalina Nuclear whorl slightly protruding, 0.29-0.41 mm in diameter transverse to initial suture. Identification should conform with all data in the key and with geographic distributions. Body whorl rounded (Fig.
Giant snails that were eating Florida homes finally eradicated again Hatia pomilia hendersoni Bulletin of the Florida State Museum, Biological Sciences, 1: 97-239. Operculum spiral, consisting of two or more rapidly increasing whorls (Fig. Spire short and compact, about 0.5-0.7 times height of aperture in mature specimens, proportionally longer in juveniles (Fig. Sci. Length of shell 2.4-3.4 mm (Fig. Being nocturnal, these pests aren't always feeding when you're scouting. (Say, 1825). (Fig. Click on the link in the row that best matches your snail. (Mller, 1774). 37), which is important for generic and specific diagnosis. Florida. Malacological Review, Suppl. The number of whorls persent on the shell can help you easily identify the snail species. Adults about 15-18 mm wide with about 5.5 whorls (Figs.183-185). Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. 197, 204). Suture more deeply impressed. 75, 76). Spilochlamys gravis "If you see one of these snails,. 140-146).
Invasive giant snail species that carries deadly parasite detected in Planorbula armigera wheatleyi 51, 52). 48). Excentric Ancylid Floridobia wekiwae Mimic Pondsnail Shell variable in shape, elongate to globose; usually not more than 5 mm in length; apex of spire seldom eroded (except in Somatogyrus); 4-6 whorls; shell smooth (except in Pyrgophorus and Tryonia); central tooth of radula with basal cusps (Figs. 47). Body whorl strongly keeled as though pinched at the periphery (Figs. 201, 207).
Cone Snails - Central and South Florida Gastropod Seashell Shell conical, spire moderatly high. As was anticipated, further work on the systematics of the southeastern freshwater snail fauna created the need for subsequent revision in 1999, and for this updated version. Shell olive-green with vertical reddish flames and spots. Rails, gallinules, coots and cranes.
Invasive snail species found in Florida, University of Florida IFAS Floridobia vanhyningi Aperture relatively large with fine, uneven, serrate denticles along parietal wall (Fig. They are most common on tropical islands but occur also in cold regions, where they hibernate. Body whorl angular. Shell usually marked with red or rust-colored spots, flames, or bands (most apparent on juvenile specimens). Whorls of spire pointed and scalariform (steplike with nearly flat shoulders and deep sutures). It was well received, and it served the interests and needs of many people. Florida's Department of Agriculture and Consumer Services said that a Pasco County master gardener reported seeing a giant African land snail in the New Port Richey area on June 23. Shell with 3-4 whorls. Kites belong to the same bird family as hawks and eagles, Accipittridae. 169, 172). Physid species have similar and superficially featureless, variable shells, and the shell is imprecise for identifying most genera and many species. (Fig. A synopsis of the classification of the freshwater Mollusca of North America north of Mexico and a catalogue of the more recently described species with notes. Teardrop Snail The profile of the whorls and their comparative size can also help determine the species. Outer lip strongly sinuous. In the USA, it was first identified in New Orleans in 1939, but now is found in the Gulf Coast states from Florida to Texas, as well as in Puerto Rico and Hawaii. Aperture elliptical and loosely attached to or slightly separated from preceding whorl; 4.5-4.9 whorls. Sculptured with regularly spaced, fine, incremental threads and spiral striations; spiral striations evident only on base of whorls in some specimens. Shell relatively thick (Figs. Mantle diffusely pigmented or unpigmented.
Invasive snail that loves damaging plants, living in humidity found in Freemouth Hydrobe 1979a. Adult size small, about 12-16 mm long (Fig. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. Planorbella duryi Peristome narrow to broadly ovate. Thompson, F. G. 1969. 63). Shell sexually dimorphic in size, males about one-third as long as females. The snails remain a threat in Hawaii and the Caribbean after their eradication in Florida in 2021. Apex behind center of shell. 68); lobe and flagellum with various patterns of dermal glands; central tooth of radula with basocones located on reflected margin of tooth (Fig.
USDA APHIS | Mollusks Shell more slender, about 0.30-0.35 times as wide as high. Last whorl distinctly shouldered.
Florida Shell Guide | 2FLA Florida's Vacation and Travel Guide (Clench & Turner, 1956). Shell rounded at the periphery (Figs. Walker, B. Shell elongate. Frequently the shells of ampulariids and viviparids are very similar. Aperture without serrate denticles on parietal wall. We Floridians have so much to be proud of.
Florida races to catch giant African snails, with the help of sniffer The aquatic snails of the Family Hydrobiidae of peninsular Florida. Ferrissia mcneilli Tarebia granifera 131). (Pfeiffer, 1839).
Florida town quarantined after discovery of a giant African land snail Whorls uniformly rounded, not flattened above (Fig.144). Campeloma limum Univ. Lower margin of aperture advanced beyond upper margin so that plane of aperture slopes posteriorly when viewed from the side (Figs.189-193). The aquatic snail fauna of the southeastern United States has long been recognized for its richness and diversity. 159). Shell large, 80-100 mm wide. Florida Applesnail The VIVIPARINAE is widely distributed throughout Europe, Asia and eastern North America. Small- or medium-sized snails need to be identified with the aid of a binocular dissecting microscope that is equipped with an ocular micrometer calibrated to 0.1 mm accuracy so that precise measurements can be made. Dusky Ancylid
Pest alert: Invasive horntail snail found for first time in South Florida Ancylid gastropods are small, fragile limpets found in most freshwater habitats. 125); accessory crest absent on penis. Critical Florida references are Thompson 1968, 1969, 2000; Thompson and Hershler, 1991, and Hershler and Thompson, 1992. The shells should be rinsed frequently in tap water during the cleaning process to prevent etching by the acid. Philadelphia, 134: 143-77. JACKSONVILLE, Fla. - An invasive giant African snail that has already had to be eradicated twice in the last 50 years in Florida is back and one county is on high alert. 85). Hello Bruce. (Pilsbry and Beacher, 1892). Nautilus, 32: 71. Three occur in Florida. The reappearance of an invasive snail species forced state officials to enact a quarantine order two weeks ago for residents of Florida's Pasco County, an area north of Tampa along the gulf. Pilsbry, H. A. Shell conical; thin and transparent; 4.0-4.5 strongly arched whorls. Most freshwater hydrobiids in the eastern United States are annual species. Most inhabit fresh water, but some also occur in brackish water. 121). Penis as illustrated (Fig. Pomacea paludosa 173). The reader may be troubled by the imprecise shell characteristics that are used in the key. A giant African snail sighting in Florida enacted a quarantine over parasite concerns. Each: $28.50 M-890 BANDED TULIP SHELL, Fasciolaria lilium A small predatory snail that feeds on clams. 204-207), often eroded in older specimens. Nuclear whorl 0.29-0.33 mm in diameter. (Thompson, 1968). 101). Interior of adult aperture with brownish tinge. Shell elongate-conical; 10-40 mm long in adult specimens; apex of spire usually eroded; shell with 8-12 whorls although eroded specimens may have fewer; shell usually strongly sculptured with spiral and/or vertical ribs and threads (except in Elimia dickinsoni); central tooth of radula without basal or lateral cusps (Fig. Aperture large, oval, much more than half the length of shell. Their siphonal canal is merged with their aperture and called a "siphonal notch". Adult shell about 4-5 mm high; umbilicus wide; columellar margin of the aperture concave in outline (Fig.
Six Rivers CISMA EDRR Invasive Species of the Month - Bulimulus Vertical ribs smooth along the periphery, strongly developed (Fig. Radula with tricuspid lateral teeth (Fig. Shell medium-sized, 3.0-3.8 mm long; thinner, translucent or transparent in life; tear-shaped; spire raised and nearly straight-sided, pointed; body whorl less conspicuously enlarged, not descending to aperture along last half whorl. Basch, P.F. This manual recognizes 113 species and subspecies that occurring in Florida and the list will increase with time. (Thompson, 1968). Lower margin of aperture not advanced beyond upper margin. 49, 50). Pewter Physa 84). Nuclear whorl flattened, 0.41-0.48 mm in diameter transverse to initial suture. 169). Central tooth of radula with long basocones along base (Fig. (Fig. Laevapex peninsulas Many samplings of hydrobiids collected during the period of May through September are not identifiable because only immature forms are present, and important diagnostic anatomical characteristics have not yet developed. University of Illinois Press, Urbana. Giant Snails Invading Florida, "Major Threat" to Crops. Includes the limpkin, a Sunshine State specialty.
Florida's Apple Snails | FWC - Florida Fish And Wildlife Conservation Umbilicus closed or narrowly perforate. Contents 1 Shell description 2 Distribution 3 Ecology 4 References 5 Further reading Shell description [ edit] Five views of a shell of Pomacea paludosa Enterprise Siltsnail) Floridobia monroensis (Dall, 1885). Henscomb Hydrobe Outer lip nearly straight and parallel to axis of shell in adults (Fig. Shell with prominent ribs and spiral chords on all whorls. Olive NeriteNeritina usnea(Reding, 1798). Shell smaller, reaching a maximum diameter of 13 mm. Adult large, about 23-27 mm long (Figs. Sculpture consisting of fine incremental threads, and spiral striations that may become obsolete at maturity. 135). (Menke, 1839). Penny Sprite) Micromenetus floridensis (Baker, 1945). Additional genera occur in the Orient, Southeast Asia, Africa, and South America. This monumental work changed all previous concepts concerning subfamilies, genera and species in the family. . Vernacular names are given only for species. Adequate preservation begins when the specimens are collected. Color often glossy reddish brown.
PDF Giant African Land Snail Identification Sheet - Florida Commissioner of Aperture usually open; occasionally with a horizontal, shelf-like septum closing posterior part (Fig. Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. This is not the first time Florida has dealt with an invasion of giant snails. Specimens then are placed in a fixative such as 10 percent formalin or Bouins Solution. Other families occur elsewhere in North America and in other continents. Whorls rounded, not carinate above; occasionally angular below. Thick-shelled Hydrobe Veliger, 45:269-271. Thick-lipped Rams-horn Incremental striations uniformly weak. Shell larger, 2.8-4.6 mm long; adults with 4.0-4.9 whorls; spire longer, 0.9-1.3 times height of aperture; superior tubercles not arranged in oblique longitudinal series. 109a, 109b). Floridobia is known from peninsular Florida north along the Atlantic seaboard to Maine. (Pilsbry, 1899). On sibling species and genetic diversity in Florida Goniobasis (Gastropoda, Prosobranchia, Pleuroceridae).
Giant snails that can cause meningitis found in Florida - WESH The snails live in the bays and mudflats, but after they die their shells wash up on the beaches. Penis with two or more longitudinal crests within U-shaped superior tubercle (Fig. 5). 16, 25, 28). Haitia pomilia pomilia Operculum neomelanian, with a small, rapidly expanding nucleus located near the basal margin (Fig. Embryonic shell with a strong peripheral spiral chord that continues onto following whorls (Fig. It occurs in India, Sri Lanka, Bangladesh, Nepal, Pakistan and Brazil (Figure 1) (Raut and Ghose 1984; Biswas et al. Dorsl surface of penis with a few elongate superior tubercles that form a weakly defined U-shaped pattern. Shell generally thin but strong; whorls of spire strongly convex with deep suture (Figs. Penis with a small blade-like flagellum along right margin and a heavy mid-ventral ridge that bears 8-11 narrow transverse dermal glands; other glands present on terminal lobe and flagellum (Figs. The . 1962. Penis with a dense pattern of superior tubercles. Floridobia fraterna 99). 107, 108). Amnicola dalli. Thompson, F. G. 2000. 164, 167). A giant African land snail, photographed at a lab in 2014. 81-83). Axial striations distinct (Fig. 170, 173). Penis with superior tubercles forming a vague broken loop; invaginated cave-like pit absent. Elimia dickinsoni 1945. (Thompson, 1968). Dipping them in a dilute solution of oxalic acid and gently scrubbing them with a fine brush can clean such specimens. Penis with a single papilla along left margin (Fig. The genus is difficult to diagnose by shell characters because the three species are very dissimilar. Adams, 1841). Nautilus, 97: 68-69. Elimia floridensis ssp. Most snails will have a conical shaped shell. Penis with a large, blade-like flagellum with continuous heavy dermal glands along each side (Figs. 58). 130). Apex about 0.4-0.5 times length of shell. Sculpture consisting of incremental striations only. Slender Walker 1905. Elimia annae 115a, 115b). Aphaostracon asthenes 129). Photo: University of Florida. Penis with 5-15 papillae along right margin arranged in 1-2 rows (Fig. 200, 206). Malacological Review, 19: 85-86. (Pfeiffer, 1839). Columellar margin of aperture wide, rounded in front like a spindle. Penis with a very long slender flagellum that extends beyond terminal lobe. Sexes not conspicuously dimorphic in size. Outer lip partially flattened in adults. Your choice will lead you to the proper identification of your snail or the next appropriate pair of questions.
16 Different Types of Snails: Ultimate Guide (With Pictures) Lioplax pilsbryi pilsbryi Florida Shell Guide. Shell sculpture with incremental striations only. shell with 3.9-4.2 whorls (Fig. Squaremouth Amnicola (Thompson, 1968). Amnicola rhombostoma The other three forms, C. limum (Anthony, 1860), C. floridense Call,1866 and C. parthenum Vail, 1979, are exclusively apomictic parthenogens and have been separated on the basis of aperture coloration, embryonic shell coloration, and contour of the outer lip (Vail 1979a). Floridobia petrifons Aperture elliptical in shape; spire slenderer and slightly convex in outline; suture moderately impressed suture; parapical crest reduced in size.
A Guide to Florida Bird Species | VISIT FLORIDA In previous editions of the manual the Florida species were placed in the genus Physella.
Escambia Elimia Mesa Rams-horn Penis with a few simple scattered superior tubercles on outer surface; parapical crest on a low ridge; accessory crest and inferior crest absent (Fig. Combining characteristics of cranes and rails, it . Average length about 4 mm (Figs. Peninsula Ancylid Green Cove Springsnail
common name: tree snails of Florida - University of Florida 62). Serrated Crownsnail Nucleus of operculum spiral and then surrounded by concentric growth rings (Fig. NERITIDAE Types of Shells In Florida: Seashell Identification Guide It lurks nearly a foot beneath the dunes of Sanibel Island. Marisa cornuaurietus Carib Fossaria Eight species have been proposed. Operculum with about 3 whorls (Fig. Spilochlamys is most similar to the next genus, Cincinnatia, from which its shell usually differs by having a more deeply impressed suture, more strongly shouldered whorls, and a wider umbilical perforation. Apex fairly prominent as a rounded knob in the right posterior quadrant (Figs. The first edition of The Freshwater Snails of Florida: a Manual for Identification was published in 1984. Now officially known as simply a Snail Kite, the subspecies from Florida and Cuba (Rostrhamus sociabilis plumbeus) formerly known as the Everglade Snail Kite was listed as endangered in 1967.The range of the Florida population of Snail Kites is restricted to watersheds in the central and . Seminole Rams-horn
Giant Snails Carrying Meningitis Are Causing Concern in Florida - Newsweek University of Florida scientists say the nightmarishly named "rat lungworm" has been found in multiple species of snails in the Miami area, including the invasive giant African snail.