Drosophila (Sophophora) dobzhanskii Patterson, 1943

Grimaldi, David A., 2024, The Drosophila (Sophophora) obscura species group in the Americas (Diptera: Drosophilidae): review, revisions, and three new species, American Museum Novitates 2024 (4015), pp. 1-44 : 25

Drosophila (Sophophora) dobzhanskii Patterson

Figure 7E

Drosophila (Sophophora) dobzhanskii Patterson 1943: 82 .

DIAGNOSIS: Distinctive for the large ♂ sex comb, having ~18 teeth on ta1, on ta2 a “single tooth...little more than enlarged bristle” ( Patterson, 1943: 82). Notum and pleuron coffee brown, acrostichals in 6 rows; oviscapt with ovisensilla along ventral margin setiform, not pegs; spermatheca without apical indentation.

TYPES: Holotype, ♂: Mexico: “collected July 1942, just west of Mexico City by G.B. Mainland ” ( Patterson, 1943: 82). In USNM; examined but not dissected.

SPECIMENS EXAMINED: Besides type (above): 2♀♀: MEXICO: Desietrode de los Leones, Distrito Federal IV/29/42, G.B. Mainland 1342.1/ PARATYPE dobzhanskii (in AMNH), 1 ♀ dissected ( ASG33 ) .

DISTRIBUTION: Known only from the type series.

COMMENTS: I have not dissected a male specimen, but the female has a distinctive oviscapt, as described above.

Figures

FIG. 7. Oviscapts and spermathecae (lateral views) of species in the affinis subgroup, with apical details for three species. A. D. affinis (ASG 28); B. D. athabasca (ASG 30); C. D. azteca (ASG 15); D. D. chibcha, n. sp. (ASG 17); E. D. dobzhanskii (ASG 33); F. D. narragansett (ASG 11); G. D. tolteca (ASG 24).