不对称拱背果蝇Drosophila (Lordiphosa) acongruens Zhang et Liang, 1992
鉴别特征：本种属nigricolor种组，似台湾省产种Drosophila (Lordiphosa) chaolipinga Okada,但该种生殖弓内侧具一突，前阳基侧突前侧叶不对称，后侧叶不具亚端分叉。
分布区域：云南。
文献：张文霞，梁醒财，1992，果蝇属拱背果蝇亚属七新种，动物分类学报，17（4）：473-482
Remark: This species belongs to nigricolor species-group, related to Drosophila (Lordiphosa) chaolipinga Okada, but differs from it in having asymemetrical short basal branch and no median branch of anterior paramere, epandrium narrowly pointed in heel and toe.
Distribution: Yunnan.
Reference: Wenxia Zhang, Xingcai Liang 1992, Seven new species of the subgenus Lordiphosa of Drosophila, Acta Zootaxonomica Sinica, 17 (4): 473–482.
