Hydromya Robineau-Desvoidy, 1830

Li, Zhu, Yang, Ding & Murphy, William L., 2019, Review of genera of Sciomyzidae (Diptera: Acalyptratae) from China, with new records, synonyms, and notes on distribution, Zootaxa 4656 (1), pp. 71-98 : 86

12. Hydromya Robineau-Desvoidy, 1830 (New record)

( Figs. 31 , 47–48 , 66 )

Hydromya Robineau-Desvoidy, 1830: 691 . Type species: Hydromya coeruleipennis Robineau-Desvoidy, 1830 (original designation) [= Hydromya dorsalis Fabricius, 1775 ].

Diagnosis. Male sternite 4 with a pair of cylindrical processes. Anepisternum and anepimeron bare. Subalar setae absent. Wing hyaline with 5–7 isolated dark spots; crossvein dm-cu curved.

Remarks. This monotypic genus contains a single described species, Hydromya dorsalis ( Fabricius, 1775) , which is restricted to the Palearctic Region.

Before our study, Hydromya had never been recorded from China. We found 2 males and 1 female H. dorsalis from Xinjiang and 1 male and 1 female from Inner Mongolia, both of which locations are in the Palearctic Region of China .

Specimens examined. 1♂, CHINA, Xinjiang, Wulumuqi , 890 m, 1959. VIII. 23, Afu Tian ( IZCAS) ; 1♂, CHI- NA, Xinjiang, Shufu , 1979. VIII. 18, Jikun Yang ( CAU) ; 1♀, CHINA, Xinjiang, Wulumuqi , 890 m, 1959. IX. 1, Changqing Li ( IZCAS) ; 1♂, CHINA, Inner Mongolia, Hulunber , 854 m, 2015. VII. 23, Li Shi ( IMAU) ; 1♀, CHINA, Inner Mongolia, Hulunber , 850 m, 2016. VII. 7, Li Shi ( IMAU) .

Figures

FIGURE 66. Geographical distribution of genera of Sciomyzidae from China (2).

FIGURES 25–32. Characters and morphological terms of the family Sciomyzidae (IV).

FIGURES 41–48. Adult habitus of genera in the tribe Tetanocerini (I).