Mar., 1908.] LENG : NOTES ON CoCCINF.U.; . 41 



It is unfortunate that no mention is made of the claws in this 

 description, so that an examination of the type is necessary to deter- 

 mine whether the insect is actually an Exochomus or a Brumus. 



Subgenus Brumus Weise. 



The type of Brumus is septentrionis Weise in which the claws are 

 entirely simple. Weise himself has since included the species cethiops 

 (formerly placed in Exochomus) in which the c? claws appear to me 

 to be feebly toothed. We have already seen in E. fasciatus a tendency 

 towards the disappearance of the tooth in Exochomus and we have in 

 Brumus orbiculatus a form in which the claws while not toothed are 

 swollen at base. On account of these forms making a gradual transi- 

 tion from the strongly toothed claw to the simple claw, I have treated 

 Brumus as a subgenus, to include all the Chilocorini with simple tibise 

 and claws without evident tooth at least in one sex. 



Synopsis of Species. 



Claws feebly toothed in $ , simple in 9 • 



Entirely black in color alhiops 



Claws feebly swollen at base. 



Black above with red markings orbiculatus. 



Claws entirely simple in both sexes. 



Elytra orange-yellow with black markings septentrionis. 



Elytra black with humeral and subapical red marks Mstrio. 



Brumu9 aethiops Bland. 



Broadly oval, convex, elytra explanate ; black above and beneath ; tibise not 

 dentate ; claws of tarsi feebly toothed at base $ , entirely simple 9 ! surface shining, 

 punctuation very minute and sparse. The males are distinguished only by the smaller 

 size, fifth abdominal segment truncate and sixth minute additional segment. 



Length. — 3 to 4 mm. = .12 to .16 inch. 



Habitat. — Nebraska, Colo., Utah, N. Mex., Arizona. 



This species is easily known by the entirely black color. 



Brumus orbiculatus, new species. 



Broadly oval, very convex ; black above, basal margin of elytra, also lateral 

 margin and a large subapical round spot narrowly connected with lateral margin, 

 red ; the subapical spot is outlined posteriorly by the black apex. Beneath piceous, 

 the epipleurse and sides of abdomen fuscous. Shining and glabrous above, micro- 

 scopically punctulate except the head which is evidently punctulate. Beneath punctu- 

 late and slightly pubescent. Tibise simple, claws very feebly swollen at base, not 

 toothed. Side margin of elytra explanate. 



Length. — 4 mm. = .16 inch. 



Habitat. — Tucson, Arizona, July. 



