6 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
4 (1). Mesofrons between the eyes more or less yellowish or reddish medially; 
halter yellow (except in 7’. remipes). 
5 (6). Mesonotum and pleura wholly blackish; f; yellow brown, f; missing in 
type; 3rd antennal segment black, except at base; wing length 5 mm 
Gihailandyen 2. vs aes . . T. inversus Hennig 
6 (5). Mesonotum variegated He Bromma or pieckish stripes or spots or 
largely yellowish; pleura with considerable yellowish color. 
7 (8). Wing span 5.5 lines (=11.5 mm); body length 3.5 mm; halter black; 
f yellowish with black tips; ¢@ basitarsus,; broadened (Macassar). 
T. remipes (Walker)? 
8 (7). Wings 4-4.5 mm. long; legs yellowish, f with black tips and sometimes 
dark preapical bands. 
9 (12). Mesonotum yellowish without median marks, only intrahumeral and 
supra-alar black marks; f; with blackish tips; 3rd antennal segment 
with extreme tip blackish; scutellum yellow; abdomen yellowish or 
reddish. 
10 (11). Pleura with large blackish mark above cz,;; mesonotum with large 
intrahumeral spot and posterior thereto a small presutural spot 
(Philippine Islands). ...... .. . TT. philippinensis Cresson 
11 (10). Pleura with 3 blackish marks (Taiwan) . . T. decemnotatus Hendel 
12 (9). Mesonotum with median dark marking and often other stripes and 
spots. 
13 (14). Mesonotum with median stripe only; f, blackish in apical third, f; of 
type missing (Ceylon). .... . . .. T. latibrachium Enderlein 
14 (13). Mesonotum with dark markings besides median stripe. 
15 (16). Black supra-alar spot lacking; f,; dark brownish, base and preapical 
band yellow; mesonotum yellowish with pair of presutural black spots; 
wing length 4 mm (Celebes; Malaya; ?Borneo) .. T. binotatus Bigot 
16 (15). Black supra-alar spot present. 
17 (18). Pleura yellowish in anterior half, dark brown posteriorly; abdomen 
blackish brown; scutellum wholly black, lateral pair of bristles very 
small; f; with apicodorsal blackish mark (islands off Sumatra). 
T. babiensis Meijere 
18 (17). Pleura wholly yellowish or with 1-3 black spots; scutellum more or 
less reddish medially; 3rd antennal segment black. 
19 (20). Pleura with 3 distinct black spots; f without preapical dark marks; 
ord antennal segment black in apical half; abdomen with blackish 
central stripe (Philippine Islands). . . T. maccus Osten-Sacken 
20 (19). Pleura wholly yellowish or with one indistinct blackish mark between 
ca, and cx; at least fg with preapical dark band; abdomen blackish 
brown (Krakatoa; Java; so. India)... T. trilineatus Meijere 
Family Platystomatidae 
Plagiostenopterina Hendel 
Subgenus Meringomeria Enderlein 
Meringomeria Enderlein, 1924, Mitteil. Zool. Mus. Berlin, vol. 11, p. 108.— Bezzi, 
1928, Dipt. Fiji Is. (Brit. Mus.), p. 98.—Hennig, 1941, Arb. Morphol. Taxon. 
2 These are the only differentiating characters I can glean from Walker’s short 
description as Coenurgia remipes (1859, p. 164). 
