PSYCHE 
VOL. XLII SEPTEMBER 1935 
No. 3 
ORIENTAL NEMESTRINID^E 
By Joseph C. Bequaert 
Museum of Comparative Zoology, 
Harvard University, Cambridge, Massachusetts 
I have recently been privileged to study an interesting 
lot of Nemestrinidse obtained by Mr. Vitalis de Salvaza in 
Laos and Cochinchina, comprising four species, two of 
which appear undescribed. An additional species new to 
Science was obtained by Prof. T. D. A. Cockerell in Siam. 
The Oriental and Indo-Malayan Region proper (exclud- 
ing New Guinea) is poor in Nemestrinidse, a peculiarity 
which it shares with the other truly tropical parts of the 
World. The subfamily Nemestrininse is not represented, 
the two old records of Nemestrina pallipes Olivier (1810, 
Nouv. Bull. Sci. Soc. Philom. Paris, II, p. 94) and Neme- 
strina javana Macquart (1840, Dipt. Exot., II, pt. 1, p. 17), 
supposedly from Java, being obviously erroneous. The sub- 
family Hirmoneurinse comprises thirteen Oriental species, 
all of the genus Hirmoneura , and the subfamily Trichop- 
sideinse, seven species of four genera, Atriadops, Nycteri- 
myia , Nycterimorpha and Ceyloniola. 
The latest revision of Oriental Nemestrinidse is by E. 
Brunetti in the Fauna of British India (1920, Diptera 
Brachycera, I, pp. 144-156). 
Subfamily Hirmoneurinse 
Hirmoneura Meigen, 1820 
Key to Subgenera 
1. Three submarginal cells present (second longitudinal 
vein and upper branch of third connected by a cross- 
vein). Alula well developed 2. 
