Gambrus, Forster, 1869

Watanabe, Kyohei, 2020, Expression of green fluorescent protein defines a specific population of lamina II excitatory interneurons in the GRP :: eGFP mouse, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 49, pp. 29-66 : 43

Key to Japanese species of the genus Gambrus

(female only)

1. Hind leg entirely black. Metasomal tergites entirely black except for a large median white spot of T VII. ............................................ Ga. wadai ( Uchida, 1936)

-. Hind leg and metasomal tergites with a conspicuous red to reddish brown area ( Fig. 7A )..................................................................................2

2. Hind tarsus black with conspicuous white bands ( Fig. 7A ). Hind coxa black ( Fig. 7A ). ............................................ Ga. homonae Sonan, 1930

-. Hind tarsus without conspicuous white bands, at most tinged with reddish brown. Hind coxa red...........................................................................................3

3. Metathorax and propodeum black. Hind leg reddish brown except for anterior part of tibia, femur and each tarsal segment blackish brown to black. ....................................... Ga. ruficoxatus ( Sonan, 1930)

-.“Metathorax”red (= propodeum red?). Hind leg black, with femur towards the base and coxa red. .............................................. Ga. variator (Walker, 1874) (not seen by the author)

Figures

Fig. 7. Gambrus homonae Sonan, 1930 (A, KPM-NK 76572; B-D, 76568; E, KPM-NK 76573) ― A, E, lateral habitus; B, head, frontal view; C, propodeum, dorsal view; D, right fore wing.