LACUNICAMBARUS

KEY TO THE SPECIES OF THE SUBGENUS LACUNICAMBARUS

1. Cephalic section of carapace at least 1.4 times longer than areola (Fig. 110a; see also Figs. 89n,
90d, 92a):............................................................................... Cambarus (L.) diogenes diogenes Girard, 1852.

       (Burrows, occasionally in streams and ponds; widespread east of the Rocky Mountains,
        and from the Great Lakes region southward except in higher mountains and in peninsular
        Florida. This is unquestionably a species complex. Literature: Marlow, 1960; Hobbs, 1969b).

Cephalic section of carapace no more than 1.3 times longer than areola (Fig. 110b):...........................
..................................................................................... Cambarus (L.) diogenes ludovicianus Faxon, 1884.

       (Burrows in southern Louisiana. The range has never been satisfactorily established,
        and its relation to the nominate species is obscure. Literature: Marlow, 1960; Hobbs,
        1969b).

Fig. 110. Dorsal view of carapaces. a, Cambarus d. diogenes; b, C. diogenes ludovicianus.

END OF SUBGENUS LACUNICAMBARUS

Last Updated: 10 September 2004