Catalogue of the dipterous insects collected at Singapore and Malacca

by Alfred Russel Wallace

Note.—T. rubidus, Wied., is very closely allied to the above species, but may be distinguished from it by the following characters.

T. rubidus. Front with the callus quite entire. Antennæ blackish. Middle stripe of the abdomen composed of triangular spots. Wings greyish.

T. partitus. Smaller. Front with the callus almost interrupted. Antennæ pale tawny, with darker tips. Middle stripe of the abdomen entire, parallel. Wings quite limpid.

Gen. Chrysops, Meigen.

22. Chrysops dispar, Fabr. Syst. Antl. 112. 5.

Mount Ophir and Malacca. Inhabits also Hindostan and Java.

Fam. ASILIDÆ, Leach.

Subfam. Dasypogonites, Walk.

Gen. Discocephala, Macquart.

23. Discocephala dorsalis, n. s., fœm. Nigricans, thorace subgibboso, lateribus pectoreque testaceis, pedibus posticis longiusculis sat validis, tibiis posticis subarcuatis, alis subcinereis apice obscurioribus.