H. C. FALL. 



177 



M. incompta sp. nov. — Short, broadly oval, convex, testaceous; pubescence 



long, more bristling on the elytral intervals. Head rather strongly, but less 

 closely punctate, than in gibbosa ; eyes smaller, distant on the front by twice their 

 own diameters; tempora very short, but distinct. Antenna- unusually long, 

 passing the hind angles of the prothorax, the joints all longer than wide, the 

 club loosely formed. Prothorax about one-third wider than the head, transverse, 

 sides (juite strongly rounded, and conspicuously serrulate; surface moderately 

 punctate and with a distinct transverse basal impression, which reaches from side 

 to side. Elytra nearly twice as wide as the prothorax, broadly oval, apices not 

 truncate, moderately punctate-striate, intervals more finely seriately punctate as 

 usual, Beneath sparsely punctulate ; middle coxae separated by about one-third 

 the coxal width; legs moderate; last joint of hind tarsi longer than the two pre- 

 ceding together. (PI. V, fig. 67). Length 1.1-1.3 mm. 



Hub. — California (Pasadena — Fenyes). 



Two females of this peculiar little species are before me. In 

 general makeup it is allied to gibbosa and similata, and should stand 

 between them. The pubescence is longer and more erect than in 

 either, and it also differs from both in the last joint of the hind tarsi 

 being distinctly longer than the two preceding united, and in the 

 longer antennae with less compact club. There are also other 

 notable differences, as a comparison of the descriptions will show. 



M. si ill i lata Gyll. — Oval, moderately convex, ferruginous brown to piceous, 

 legs and antennae paler, club of antennae often darker; pubescence rather short. 

 recumbent. Head distinctly narrower than the prothorax, sparsely obsoletely 

 punctulate; eyes moderate, separated by rather more than twice their longest 

 diameters; tempora nearly wanting. Antenna? scarcely reaching the hind angles 

 of the prothorax, the eighth joint subglobular, tenth as wide as long. Prothorax 

 a little wider than long, but little more than half as wide as the elytra; sides 

 moderately rounded, very slightly more strongly so anteriorly; surface moder- 

 ately closely and evenly punctate, a transverse median fovea, and a transverse 

 lateral impression before the base, the latter more lightly impressed and some- 

 times indistinct; side margins feebly crenulate. Elytra not very broadly oval, a 

 little obtuse or subtruncate at the apex ; rather strongly punctate-striate, inter- 

 vals a little convex and decidedly more finely punctate in series. Under surface 

 lightly and sparsely punctate, the abdomen more finely as usual. Middle coxae 

 separated by a little more than half the coxal width. First ventral without im- 

 pressed lines. Legs moderate. (PI. V, fig. 68). 



Male. — Front tibiae with an acute tooth situated within and posteriorly at a 

 point a little beyond the middle. 



Female. — Front tibiae unarmed. 



Length 1.1-1.5 mm. 



Hab. —Pacific Coast — from Vancouver to San Diego. It is com- 

 mon at San Francisco, and at Santa Monica, and Redondo in So. 

 California, but does not appear to go far from the sea coast. 



This is the species to which LeConte gave the name herbivagans. 

 I have sought assiduously, but without success, for some means of 

 distinguishing it from the European similata; and I am confident 



TRANS. AM. ENT. SOC. XXVI. (23j DECEMBER, 1899 



