VETICAMBARUS

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AVITICAMBARUS
CAMBARUS
DEPRESSICAMBARUS
EREBICAMBARUS
HIATICAMBARUS
JUGICAMBARUS
LACUNICAMBARUS
PUNCTICAMBARUS
VETICAMBARUS
 

 

 

KEY TO THE SPECIES OF THE SUBGENUS VETICAMBARUS


1.   Chela studded with setae and mesial margin of palm longer than maximum width of chela
       (Fig. 114a);  areola less than 2.5 times longer that broad (Fig. 114c);  fist pleopod with
        prominent caudal knob (Fig. 115a):.....................................................  Cambarus (V.) pristinus  Hobbs, 1965.

       (Lotic habitats in the Caney Fork River drainage in Cumberland County, Tennessee.
        Literature:  Hobbs, 1965, 1969b).

  • Chela not markedly setose and mesial margin of palm shorter than maximum width of chela
    (Fig. 114b);  areola more than 2.5 times longer than broad (Fig. 114d);  first pleopod with caudal
    knob vestigial or absent (Fig. 115b, c):.................................................................................................................  2
Fig. 114.  a-b, Dorsal view of chelae;  c-d, Dorsal view of carapaces.  a, Cambarus pristinus;  b, C. bouchardi;  c, C. pristinus;  d, C. obeyensis.

2(1).   First pleopod with central projection directed at angle less than 30 degrees to axis of main shaft of
           appendage;  mesial process reaching as far, or almost as far, distally (along principal axis of
           appendage) as does central projection (Fig. 115b; see also Fig. 114b):...................................................
           ................................................................................................................  Cambarus (V.) bouchardi  Hobbs, 1970.

       (Lotic habitats in the Big South Fork of the Cumberland River in Scott County, Tennessee.
        Literature:  Hobbs, 1970b).

  • First pleopod with central projection directed at angle greater than 60 degrees to axis of main
    shaft appendage;  mesial process not reaching nearly so far distally (along principal axis of
    appendage) as does central projection (Fig. 115c; see also Fig. 114d):..................................................
    ................................................................................................  Cambarus (V.) obeyensis  Hobbs and Shoup, 1947.

       (Lotic habitats in the headwaters of the Obey River in Tennessee.
         Literature:  Hobbs and Shoup, 1947;  Hobbs, 1969b).

Fig. 115.  Lateral view of pleopods.  a, Cambarus pristinus;  b, C. bouchardi;  c, C. obeyensis. (ck, caudal knob).

END OF SUBGENUS VETICAMBARUS

Last Updated:  10 September 2004