Caves and their Faunas in Florida and South Georgia 39 



main cave pool at Geromes Cave; ovigerous females were found in 

 burrows constructed in bat guano along its bank (DSL). 



Procambarus fallax (Hagen) (trogloxene). Alachua County: Alachua 

 Sink (Hobbs et al. 1977). 



Family Palaemonidae 



Marcobrachium carinus (L.) (accidental?). Marion County: Silver 

 Glen Spring (Hobbs and Franz 1992), Silver Springs (Tom Allen, personal 

 communication, formerly Gainesville, Florida). REMARKS: This shrimp 

 has been encountered in the entrances of spring caves in the lower St. 

 Johns River system. Prior to the building of Rodman Dam, the species 

 once was common in Silver Springs; it apparently has been extirpated 

 from this site (Tom Allen, personal communication). Specimens have 

 been retrieved from the stream below the dam as recently as 1990. 



Palaemonetes paludosa (Gibbes) (accidental?). Columbia County. 

 Siphon Creek Cave (TM). Gilchrist County: Devils Eye and Ear Spring 

 (TM). Hernando County: Die Polder 3 (PH), Eagles Nest (TM). Leon 

 County: Gopher Sink (Hobbs and Means 1972). Wakulla County: Sally 

 Ward Spring (TM), Wakulla Springs (TM). REMARKS: Specimens 

 have been seen at water depths near 60 m in Die Polders 3 (TM). An 

 unusual specimen of Palaemonetes was collected in Silver Springs 

 that warrants additional study (HHH). This specimen may represent 

 an undescribed taxon. 



Palaemonetes kadiakensis Rathbun (accidental?). Leon County: 

 Bird Sink (USNM). REMARKS: Two females were collected in the 

 dark zone, 60 m inside the cave in September 1993 (B. Pruitt, pers. 

 comm.). 



Family Portunidae 

 Callinectes sapidus Rathbun (accidental?). Marion County: Salt 

 Springs (RF), Silver Glen Springs (Hobbs and Franz 1992). REMARKS: 

 Female blue crabs commonly invade the mouths of springs around 

 Lake George on the St. Johns River during their annual migrations. 



Other Crustaceans. An unstudied crab (trogloxene?) was collected 

 in the cave at Silver Glen Springs, Marion County (HHH). 



Class INSECTA 

 Order COLLEMBOLA 

 Family Isotomidae 

 Isotoma notabilus Schaffer (troglophile). Alachua County: Warren 

 Cave (Peck 1970). 



