MICRODON. 129 
describe the male first. Head black, moderately punctate, a little 
shining; towards the occiput there are some rather long, erect, 
black hairs; the frons shows very short black pubescence ; its fore 
part and the face are covered with a distinet whitish pubescence ; 
eyes dark brown, shining, with facets of equal size and with their 
prominent angles fairly close together; the transverse furrow in 
the middle of the frons is deep: ocelli close together, forming a 
round tubercle placed in the middle of a broad longitudinal furrow, 
which runs from the vertex above to the base of the antennz, and 
there encloses a smooth shining black triangle. Antennze very 
long, the first joint clothed with. very short hair and as long as the 
last. two joints taken together; second joint rather lone ; third 
joint short, only a little ‘longer than halt the length of the first ; 
arista black, not thickened, as long as the third antennal joint, 
which is dull grey, while the first two joints are of a shining black 

Fig. 22.—Mierodon mydas, sp.n.. Q. x 2 
colour. Opening of buccal cavity small; proboscis short, black. 
Thorax rectangular, minutely punctate, convex, entirely dull 
black, with a very small reddish spot on the shoulders; the thorax 
is bare, with sparse yellowish pubescence in front and on the pleur. 
Seutellum convex, semicircular, punctate like the thorax, pubescent 
only towards the sides, with a simple hind border; in the middle 
there are four rather distinct, parallel furrows, running from the 
base to the hind margin. Metanotum shining black, smooth ; 
metapleure not punctate, with tiny transverse furrows. Squamule 
whitish, with black borders and short black fringes; halieres pale 
yellow ish. Abdomen very elongate, with almost parallel sides, only 
x little attenuated behind; the second segment a little broader and 
produced at the sides ; it is entirely black, even on the belly, only the 
last segment having a broad, dark red hind border; the whole abdo- 
men is punctate like the thorax ; pubescence very short and entirely 
Ix 
