Genus Myzorhynchus. 87 
MyzoRHYNCHUS UMBROSUS. nN. sp. 
Closely allied to barbirostris, but differs in having only one 
costal spot, and a more pronounced yellow and black apical 
fringe, no pale fringe spot, and in the paler wing scales and 
absence of white scattered scales over the wing field. 
Q. Head black, with a few upright grey scales in front, 
black at the sides and behind, narrow white scales between the 
eyes and a few yellow hairs in front ; palpi densely black scaled ; 
antennae black, basal joint and next few following with black 
scales. 
Thorax blackish, with traces of linear ornamentation, and 
golden hair-like curved scales, and a tuft of median grey ones in 
front, prothoracic lobes with black upright ones and also some 
projecting from the front of the mesonotum ; scutellum grey, 
darker in the middle ; metanotum deep brown. 
Abdomen steely-black, with brown hairs. 
Legs testaceous, with brown scales to almost black, the joints 
with small pale bands, involving both sides of the joints. 
Wings with the costa black, broken by a single small yellow 
spot at the apex, with a prominent yellow spot at the end of the 
lower branch of the second long vein extending up the third 
long vein; the small costal spot extends on to the first long vein 
and partly on to the upper branch of the second long vein ; 
there is a pale spot on the lower branch, remainder of the first 

Fig. 52. ; 
Wing of Myzorhynchus umbrosus. (9), Nn. Sp- 
and second long veins black, the other veins mostly pale scaled, 
with a few scattered dark ones and dark spots as follows :—at 
the base of the third long vein, at the apices and base of the 
second fork-cell, stem pale, but the basal part of the fourth vein 
black scaled ; fifth long vein with two dark patches on the upper 
branch, and one large one at the apex of the lower branch and 
two spots on the sixth ; fringe all dark, no pale spots where the 
