NEW CEYLON DIPTERA. 385 
HXECHIA ZEYLANICA Nn. Sp. . 
Male.—Head : Frons very dark brown, a paler yellowish 
margin to upper orbits. A transverse line of black bristles 
above antenne. Antennae with scape yellow, flagellum 
blackish. Eyes minutely pale pubescent. 
Thorax yellowish-brown, with minute black dorsal pubes- 
cence. <A row of stiff bristles along anterior margin, five on 
each humerus, the two lower declinate, the upper reclinate, 
the two uppermost smaller. A few bristles along dorso- 
pleural suture, a strong supra-alar and two postalar bristles, 
and some, irregularly placed, on dorsum. Scutellum darker 
brown, with a pair of small, erect, subapical bristles. Pleurze 
pale yellow, meso- and meta-pleure darker, the latter with 
stiff hairs. 
Abdomen strongly laterally compressed, yellow, with basal 
black bands, narrow ventrally, but broadening dorsally to 
reach anterior margins of the segments. Fifth and sixth 
segments wholly black. First segment with narrow apical 
pale band, conspicuous viewed against the otherwise wholly 
black dorsal surface. Genitalia swollen, conspicuous, con- 
sisting of a pair of large, at least two-jointed, claspers, the basal | 
jomt the larger, brown, the apical blackish. Beneath the 
claspers are a pair of blackish, horny processes, from the 
underside of which, near tip of each, arises a yellow, arcuate 
spine, black tipped. Abdomen and genitalia bristly. 
Legs.—Cox and femora pale yellow, tibiz pale blackish- 
yellow, tarsi blackish. 
Wings extending to tip of abdomen, grayish. Fork of the 
fifth vein short, commencing somewhat distal of the origin of 
third vein. Halteres, scape pale, capitellum black. 
Long : 23mm. 
Described from a unique male, in good condition, taken 
on window, at dusk. Suduganga, Matale, Ceylon, April 15, 
1920. 
Type in my own collection. 
This species differs from H#. basilinea (Brunetti) in the much 
shorter fork of the fifth vein. 
