Colocasiomyia sulawesiana Okada & Yafuso, 1989

Takano, Kohei Takenaka, Gao, Jian-Jun, Hu, Yao-Guang, Li, Nan-Nan, Yafuso, Masako, Suwito, Awit, Repin, Rimi, Pungga, Runi Anak Sylvester, Meleng, Paulus Ak, Kaliang, Clement Het, Chong, Lucy & Toda, Masanori J., 2021, Phylogeny, taxonomy and flower-breeding ecology of the Colocasiomyia cristata species group (Diptera: Drosophilidae), with descriptions of ten new species, Zootaxa 5079 (1), pp. 1-70 : 30-32

publication ID	https://doi.org/ 10.11646/zootaxa.5079.1.1
publication LSID	lsid:zoobank.org:pub:2B118B81-7353-4A2C-A892-5466DFC83230
DOI	https://doi.org/10.5281/zenodo.5786167
persistent identifier	https://treatment.plazi.org/id/03D75C2D-4577-2E20-FF52-65FDB636B1B9
treatment provided by	Plazi
scientific name	Colocasiomyia sulawesiana Okada & Yafuso, 1989
status

Treatment

5) Colocasiomyia sulawesiana Okada & Yafuso, 1989 View in CoL

( Figs 9I View FIGURE 9 , 15E View FIGURE 15 , 20 View FIGURE 20 )

Colocasiomyia sulawesiana Okada & Yafuso, 1989: 48 View in CoL .

Diagnosis. A pair of processes on male abdominal sternite VI short (<0.05 mm), nearly parallel and straight ( Fig. 9I View FIGURE 9 ). Phallal sheath apically vertically dilated in lateral view, subapically with a pair of small, triangular flaps ( Fig. 20D View FIGURE 20 ).

Supplementary description (not repeating characters common to C. cristata ). Supracervical setae 5–9 per side. Cibarial, medial sensilla approximately 2 per side. Supralateral seta outside prementum approximately 5 per side. Male abdominal sternite III longer than wide; IV posteriorly slightly widening ( Fig. 20A View FIGURE 20 ). Female abdominal sternite VI as wide as long, medially concaved on posterior margin ( Fig. 20B View FIGURE 20 ). Epandrium with 1–3 setae on lateral to dorsal portion and 22–23 setae thicker than cercal setae on ventral portion of each side ( Fig. 20C View FIGURE 20 ). Cercus with approximately 34–39 setae ( Fig. 20C View FIGURE 20 ). Oviscapt distally slightly curved ventrad, longer than phallus (apodeme + sheath), with 20–22 ovisensilla but no patch of pubescence ( Fig. 20F View FIGURE 20 ). Puparium (3rd instar larva): segments with stout spicules on ventral surface; anterior spiracle sessile, with a bundle of approximately 4 short branches; caudal segments elongate, with many small spicules, ending in a V-shaped pair of posterior spiracles ( Fig. 20G,H View FIGURE 20 ). Mouth hook less expanded medioventrally in lateral view; distal blade as long as basal portion, apically pointed, weakly curved downward, with two rows of small, acute teeth on submedial to subapical portion of ventral margin ( Fig. 20I View FIGURE 20 ).

Specimens examined. Indonesia: 50♂, 37♀, Enrekang , South Sulawesi, 6.i.2005, ex Alocasia macrorrhizos (L.) G. Don, K. T. Takano leg. ; 26♂, 22♀, ditto except 8.i.2005 ( MZB, SEHU) .

Distribution. Sulawesi (South Sulawesi).

Remarks. Some original descriptions by Okada & Yafuso (1989) should be revised as follows. Okada & Yafuso (1989) described, “Second tarsal joint of fore leg protruded, with about 5 black teeth in 2 rows”, but illustrated four teeth in “ Fig. 1 View FIGURE 1 ” and mentioned, “second tarsal joint of fore leg with about 4 teeth”, in the paragraph of ‘ Relationships ’. The latter state should be correct, because all the specimens examined in this study have four pegs on the fore tarsomere II without any exception. The original descriptions of “male 6S laterally divided, without protuberances” and “Surstylus absent” may be due to overlook of these small or vestigial organs in this species.