Cacoxenus (Nankangomyia) unipaxillus, Chen, 2007

Chen, Hong-Wei, 2007, Two new species of the subgenus Cacoxenus (Nankangomyia) from the Oriental Region (Diptera, Drosophilidae), Journal of Natural History 41 (41 - 44), pp. 2701-2706 : 2704-2706

publication ID

https://doi.org/ 10.1080/00222930701633596

persistent identifier

https://treatment.plazi.org/id/03DE7E64-FF8B-FFBF-FE99-1CD52C7AFCC7

treatment provided by

Felipe

scientific name

Cacoxenus (Nankangomyia) unipaxillus
status

sp. nov.

Cacoxenus (Nankangomyia) unipaxillus sp. nov.

( Figures 8–11 View Figures 8–11 )

Diagnosis

Arista long, plumose ( Figure 8 View Figures 8–11 ); cercus protruded on posteroventral corner ( Figure 9 View Figures 8–11 ); surstylus with a distinct, apically pointed, peg-like prensiseta ( Figure 9 View Figures 8–11 ); paramere apically with a small, incised notch ( Figure 11 View Figures 8–11 ); aedeagus thick, dorsally membranous, ventrally sclerotized, basally slightly pubescent, apically with a small, triangular projection ( Figures 10, 11 View Figures 8–11 ).

Description

Some characters commonly seen in A. gani are not referred to in the following description.

Head. Ocellar triangle brown, with three pairs of small setae above ocellar setae. Frontal vitta, pedicel, first flagellomere, gene, and postgena brown. Occiput brown-black.

Thorax. Obscure brown, with brown-black patches, grey pollinose pattern, and dark clouds around sockets of setae. Postpronotal lobe with a long humeral seta and seven or eight small setae.

Legs. Yellow, partly brown.

Male terminalia. Epandrium pubescent dorsally, with about 11 setae near posterior margin; anteroventral corners protruding ( Figure 9 View Figures 8–11 ). Parameres slightly sclerotized, with ca 17 sensilla arranged longitudinally, basally articulated with tip of lateral arm of aedeagal apodeme ( Figures 10, 11 View Figures 8–11 ). Vertical lobe of gonopod slightly sclerotized ( Figure 11 View Figures 8–11 ).

Measurements. BL 52.80 mm; ThL 51.25 mm; WL 52.20 mm; WW 50.95 mm.

Indices. arb55/4, avd51.00, adf51.00, flw51.30, FW/HW50.30, ch/ o50.06, prorb51.25, rcorb50.90, vb50.30, dcl50.60, presctl50.60, sctl51.10, sterno51.00, orbito52.00, dcp50.26, sctlp50.90, C52.00, 4c51.36, 4v52.18, 5x51.40, ac52.50, M50.64, C3F50.73.

Female. Unknown.

Type material

Holotype: „, Myanmar: Mandalay, 26 December 1981, M. J. Toda leg. ( SEHU).

Distribution

Myanmar (Mandalay).

Etymology A combination of the Latin words: unus + spina, referring to the surstylus with a paxillus-

like prensiseta.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Drosophilidae

Genus

Cacoxenus

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