Species 2q. C. major Wülker & Butler

Larva of salinarius type, or semi-halophilus type in Georgia specimens.    Gula darkened on posterior part, frontoclypeus pale.    Antennal segment 1 relatively long, L1/L2 about 4.3.

Cytology:    3 pairs of chromosomes with a modified thummi arm combination AB, CD, GEF.
Centromeres heterochromatic, particularly AB, and CD which have a large vacuolated region.    Nucleolus in arm A and a bulb with distal dark bands near end of arm B.    Two Balbiani rings in arm G region and possibly another proximal in arm B.

maj A1:    1 - 2c, 10 - 12, 3 - 2d, 9 - 4, 13 - 19;                    i.e. as in holomelas, cucini & tardus.
maj B1:    Puff or BR proximal, near the 4 characteristic bands of this arm
maj E1:    13a - 10c, 3f - 4, 10b - 5, 3e - 1, 13b - g
maj F1:    1 - 10, 17 - 11, 18 - 23;                                            i.e. as in cucini, tardus & tenuistylus.

Found: Alabama -
            Georgia - 5 ml w. Athens, Clarke Co.; Lullwater Lake, nr. Atlanta, Dekalb Co.;
            Kentucky - Kentucky Lake.
            Oklahoma - Buncombe Creek, Marshall Co.
            Tennesee - (Epler 2001)

            Lakes in southern U.S.A.

Described by Wülker and Butler (1983)(although a junior homonym), some information on arm F given in Fig. 3 of Martin (1979).    This was Species 22 of Wülker.

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Modified: 26 October 2007
Access: Unrestricted
Copyright © 2000-2007, Jon Martin.