Only one troglobitic species of the genus Alpheopsis, a member of the predominantly marine family Alpheidae, occurs in the area, that of Oaxaca, Mexico. Gruner of the Zoologisches Museum in Berlin was very helpful in locating the types of Barbouria cubensis.
Composition of the Fauna
Waggoota kurnan lamaan jalqabaa jaarraa ammaa keessatti, qamalee tokko, Palaemonias ganteri Hay (1901), holqa Maammoth irraa kan ibsamee fi kanneen biroo lama, Palaemonetes eigenmanni Hay (1903) [= Troglocubanus eigenmanni] fi P. A. Ganteri brief treat- ment iu assigned to miseensota albinistic gosa Orconectes Indiana keessatti R. A. A. (1999) tiin.
Karst Regions Supporting Troglobitic Decapods The various karst regions of the Americas are
Particularly noteworthy in accelerating our knowledge of the Mexican fauna were the Italian expeditions to Mexico and the efforts of the Association for Mexican Cave Studies group in Texas. Strenth's (1976) review of the systematics and zoogeography of the freshwater palemonetes places the two previously known troglobitic species and one new from Texas.
Evolution of the Troglobitic Decapods Comments and discussions on the evolution of the
Rhoades (1962:77-79) was the first to propose in any detail a hypothesis as to the origin of the
People of the new type, where fewer calories of energy are required, are no longer limited in the areas they can occupy. The blind Orconectes in the subterranean channels of the Mussel Shoals region were similarly isolated and have been described as Orconectes pellucidus australis [«• O.
Adaptations
This shrimp is limited to the Is-TYPE LOCALITY. -Cueva del Agua, Sierra de Culand of Cuba, where it is known from only one bitas, at the foot of Cerro Tuabaquei, near the "Finca place next to the type-LOCALITY" place: Cueva del. ECOLOGICAL NOTES. In both caves, the specimens were found in an underground lake, from the type site in April, and from the other in June.
LIFE HISTORY NOTES.-Of the 25 specimens available, all are females, which were collected in March, April, and August. ECOLOGICAL NOTES.—A description of the cave from which this shrimp was collected is presented by Reddell (1973b:89).
Suborder REPTANTIA Section ASTACURA
- B. Peck, coll
This crayfish occurs in the groundwater of the White River basin in the Ozark region of southeastern Missouri. ECOLOGICAL NOTES.-Although the type series of the species were collected in a bucket from an open well, all subsequent specimens have been taken from caves. Due to the lack of first form males from several of the localities in the area, only preliminary determination of populations in them is possible.
ECOLOGICAL NOTES.-Most of the specimens of this species in collections were taken in Smallins Cave. Lobsters in the dark parts of the caves seem unaffected by the light of lanterns. The temperature of the water here as well as at the entrance of the cave is 57°F.
Stream flow increases within a short time after rainfall in the area [Hobbs and Bedinger, 1964:13].
- Hart, 1974:72, 79, 141
ECOLOGICAL NOTES.—All specimens were collected from streams (one from a dry bed) in the indicated caves. Males of the first form have been found in all months of the year except January, and the paucity of collections made in that month (only one specimen) is doubtless responsible for this gap. Our records do not show a marked predominance of males of the first form in any season.
Parts of this study are in print, and much of the rest is in preparation for publication. ECOLOGICAL NOTES.-The most comprehensive account of this subspecies available is that of Banta in which he made a complete study of the inhabitants of Mayfield's Cave, Monroe County, Indiana. If there is no such protection, it moves to the opposite side of the pool.
It sounds insensitive, although it can move due to the heavy glass on the edge of the pool.
Procambarus niveus Hobbs and Villalobos F totopypic of second form male; d, allotypic female): a, b, mesial view of first pleopods; c, lateral view of carapace; d, annulus ventralis; e, f, lateral view of first pleopods; g, dorsal view of carapace; h, base and ischium of third pereiopod; i, epistome; /, antennal scale; k, caudal view of first pleopods; /, dorsal view of distal podomeres of chelipeds. LIFE HISTORY NOTES.—Of 16 specimens from the type-locality collected on December 26, 1972, 2 are males of the first form. ECOLOGICAL NOTES.—A description of the cave from which this crayfish was described is presented by Reddell (1973b:89).
LIFE HISTORY NOTES.—Of the 10 specimens collected on December 24, 1940, only one was a first form male. Marion County: (4) Indian Cave . male; b, e, morphotypic second form male; d, allotypic female): a, b, mesial view of first pleopod; c, side view of carapace; d, annulus ventralis; e, f, lateral view of first plcopods;. In some of them the pools supporting the lobsters are in total darkness, and in others varying degrees of light reach the area occupied by the lobster. b, e, morphotypic second form male; d, allotypic female): a, b, mesial view of first pleopod;.
No current was detected in the water in any of the caves that supported populations of this species.
Subgenus Typhlopseudothelphusa
Neostrcngeria Pretzmann, 1965:7 [type spedes: Boscia macropa H. Elsalvadoria Bott, 1967c:380 [type spedes: Pseudothelphusa z. Typhlopseudotehlphwa.—Rodriguez and Smalley, 1972:92 [erroneous spelling]. 34;From the beginning of the decent, everywhere is completely covered with mud." At the bottom, which is very muddy, a small stream flows in a narrow channel feeding a pool of very turbid water. Rioja (1953b:225 ) surmised that this crab probably feeds on isopods, insects, arachnids and other cavernicoles living with it in the cave.
DIAGNOSIS.-Lateral edges of carapace with tooth posterior to external orbital tooth; Surface of propodus of cheliped almost always without pectinate ridge, when present always longitudinal. ECOLOGICAL NOTES.-In discussing the distribution of this crab, Hartnoll (1964a: 164-165) stated that in the cave at Lucky Hill there is a slowly. There, the crab was found both in the water and under stones in a moist area some distance from the stream.
In the cave at Worthy Park, crabs were found in and on the muddy banks of a sluggish river flowing through a series of stone pools.
American Non-troglobitic Decapods Reported Although no intensive search has been made
Symbionts of American Troglobitic Decapods
Glossary
One of three pairs of lobes on the cephalolateral margin of the carapace of aeglids, bounded anteriorly and posteriorly by margins. A spine located near the anterior margin of the hepatic region of the carapace of some shrimps or on the hepatic region of cambarids. One of the two hollows on the front edge of the carapace that houses the eye.
A spine borne on the anteroventral margin of the carapace, ventral to the branchiostegal spine (in shrimp). The sexually nonfunctional male cambarid, most easily recognized by the lack of a corneal terminal element on the first pleopod.
Literature Cited
Observations of a new troglobitic crayfish (with notes on the distribution of the troglobitic crayfish of the Ozark region). Preliminary descriptions of a new genus and three new species of crustaceans from an artesian well in San Marcos, Texas. Pages 121-212 in Twenty-second Annual Report of the Indiana Department of Geology and Natural Resources.
A new crayfish of the subgenus Jugicambarus from Tennessee with a revised definition of the subgenus (Astacidae, Decapoda).
157 stomatopodes) recueillis par M. Charles Gravier a
165 tional Speleological Society '73 Program (30th An-
The Fishes of North and Central America: A Descriptive Catalog of the Species of Fishy Vertebrates Found in the Waters of North America North of the Isthmus of Panama. Notes on the North American Caridea at the Museum of the Peabody Academy of Science in Salem, Massachusetts. The mutual affinities of the species of the genus Cambarus, and their distribution throughout the United States.
Putnam, Mammoth Cave and its Inhabitants; or Descriptions of the Fishes, Insects, and Crustaceans found in the Cave; with Figures of the various Species, and an Account of Kindred Forms, comprising Notes on their Structure, Development, and Habits, with Remarks on Subterranean Life in General. Remarks.] In Minutes of the Section of Entomology Meeting of the Boston Society of Natural History, January 1, 1874. The Cave Fauna of North America, with Remarks on the Anatomy of the Brain and Origin of the.
The Entocytherid Ostracod Fauna of the James and York River Basins with a description of a new member of the genus Entocythere.
A survey of the Cavernicole fauna of Mexico, Guatemala, and Belize, with a bibliography and annotated checklist of cave-adapted species. A Checklist of the Cave Fauna of Mexico, IV: Additional Data from the Sierra de El Abra, Tamaulipas and San Luis Potosi. Packard, The Cave Fauna of North America, with observations on the anatomy of the brain and the origin of the blind species.
Observations on the distribution and habits of the blind Texan cave salamander, Typhlomolge rathbuni. Six new crayfish of the Genus Orconectes (Decapoda: Astacidae) from Arkansas, Missouri, and Oklahoma.
Index
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