Séance du 24 Décembre 102A 
373 
fork in the male, and two-thirds Us length in the 
female. 
Abdomen with narrow inconspicuous apical 
bands, or wilb apical lateral spots only. 
Male hypopyg’mm with a prominent lobe on the 
side piece, not bearing a flattened plate. 
Tenth sternites with the crown of thorns very 
weak; the basal arm very long and thin. Mesosome of 
two simple divisions. 
Larva : 
Antennae long; the mid and inner post-antennal 
hairs very small and weak. 
Integument of thorax and abdomen densely 
covered with minute hairs. 
Siphon with numerous tufts of long and abun¬ 
dant hairs in a single ventral row, running almost 
the whole length of the siphon. 
Oulex (Lasiosiphon) pluvialis, n.sp. 
Male : 
Head yellowish brown, clothed behind with pale 
yellow narrow curved scales, and brownish upright 
capitate ones. 
Torus pale yellow, intermediate joints of anten¬ 
nae whitish with narrow black rings, last two joints 
almost black with short pale hairs. 
Clypeus a shade darker than the torus, proboscis 
slightly longer than the front femora, brownish yel¬ 
low, paler at the base, and the apical third darker. 
Palpi distinctly shorter than the proboscis, yellowish 
at the base, with a few brown scales on the basal 
half of the long joint above, and the apical half brown 
