Chironomus formosipennis Kieffer, 1908

Wuelker, Wolfgang F., Kiknadze, I. I. & Istomina, A. G., 2011, Karyotypes of Chironomus Meigen (Diptera: Chironomidae) species from Africa, Comparative Cytogenetics 1, pp. 23-46 : 28-29

Chironomus formosipennis Kieffer, 1908

Previous reports:

Kieffer 1908, imago.

Freeman 1957, imago.

Dejoux 1970, imago.

Dejoux 1970, pupa.

Dejoux 1970, larva.

Karyotype

(Fig. 4). Haploid number n=4, arm combinations AB CD EF G ( “thummi” cytocomplex), centromeric bands not heterochromatinized, nucleoli in arms A and G, Balbiani ring in arm G. Chromosomal polymorphism was not recorded.

Banding sequence was determined only in arm E. The sequence frmE1 was identical with the cosmopolitan basic pattern, aprE1 (as in Chironomus aprilinus Meigen, 1818)

Larva:

long tubuli laterales at abdominal segment VII. Other characters - Dejoux 1970.

Distribution:

Lake Naivasha, Kenya, Zigi-river, Tanzania, running waters.