Vol. xxiii] ENTOMOLOGICAL NEWS 219 



Corizus hirtus produces a general impression of darkness, es- 

 pecially as regards the upper surface, but it varies in color, a 

 characteristic of the genus. Its hairiness betrays its psamm- 

 ophilous nature. It is the smallest of the four species of the 

 genus so far recognized from the Northeastern United States, 



which may be easily separated by the following 



i 



KEY TO THE SPECIES OF CORIZUS OF THE MlDDLE STATES AND NfiVV 



ENGLAND. 



1 (2). Metapleurae not sinuate posteriorly; posterior angle rounded, 

 not projecting; without distinct sutures; antennae much longer than 

 head and prothorax taken together; insect between 6. and 8.5 mm. long. 



crassicornls Linne. 



2 (i). Metapleurae posteriorly sinuate; posterior angle acute and 

 produced backward; their surface divided by a transverse impression 

 into 2 parts, the anterior coarsely punctuate, the posterior finely so or 

 not at all. 



3 (4). Rostrum long, reaching to or going beyond posterior coxae; 

 antennal joint 2 shorter than 3 or 4; antennae shorter than head and 

 prothorax taken together ; connexivum nearly or quite unspotted ; 

 length, 5. to 6. mm. lateralis Say. 



4 (3). Rostrum not reaching posterior coxae; connexivum spotted, 

 sometimes nearly entirely dark. 



5 (6). Antennae, 3d joint shorter than 2 or 4; 4th longest; pronotum 

 with a whitish median callous line, sometimes obscure, terminating in 

 a small callous white spot at the transverse suture; length, 5. to 6. mm. 



bohemani Sign. 



6 (5). Antennae stout, 2d joint longest; 4th nearly as long and no- 

 tably thickened, fusiform; 3d shorter than 2 or 4; pronotal median 

 line absent; length 3.5 to 4.5 mm. hirtus Bueno. 



New Microlepidoptera. 



By WM. BARNES M.D. & J. McDuNNOUGH, PH.D., Decatur, 



Illinois. 



We have recently received a very interesting lot of Lepidop- 

 tera for determination from Mr. G. H. Field, captured in La 

 Puerta Valley and around San Diego, California. Among 

 them were several apparently new species of Microlepidoptera 

 which we herewith describe; the types of these are in Coll. 



