AMERICAN COLEOPTERA. 4<ll 



much abbreviated), a medial spot and a sub-apical fascia (broken up in spot?) 

 yellowish. L. "16 inch. 



% , stridulating plate not visibly striate. 



Louisiana. (Leconte.) 



AGABETES, g. n. (Type acuductus.) 

 Head depressed, thorax very short, sides not margined, prosternal 

 process with an acnte carina, lacinite of the metasternum linear, annu- 

 late, posterior femora not ciliated at the apex, tibial spurs equal, last 

 joint of the tarsus shorter than the preceding, claws small, unequal ; 

 cpisterna not reaching the coxae, coxal processes rounded, divergent, 

 their margins anteriorly parallel, joining the metasternum just before 

 the apex. 



A. acuductus, Harris, N. E. F. (1928), p. 124; rugulosux, Aube", Spec, vi., 

 3fi2. — 2- — Broad, depressed, truncate in front, opaque, pitchy red, above 

 darker; head deflexed, very broad, thorax extremely short, sides rounded, 

 anterior angles produced, posterior rectangular, broadly rufous ; elytra closely 

 covered with minute, short, rather deeply impressed longitudinal striae; body 

 beneath shining, strigulose. L. -27 inch. 



% , anterior tarsal claws very long, impressed, anal segment deeply im- 

 pressed on either side [sec. Aube]. 



Pennsylvania, Canada. (Leconte, Horn.) 



ACIL.IUS, Leach, Zool. Misc. iii., p. 69. (Type sulcatus.) 

 Slightly obovate, prosternum with an oval process, inetasternum 

 with a quadrangular emargi nation, narrow, acute, laciniae linear, di- 

 lated at the apex ; episterna irregular, reaching the coxal plates, 

 which are thickly punctate; femora with the apical angle simple;, an- 

 terior tarsi of the male with a broad patella, having one large and two 

 small discs beneath, intermediate tarsi simple, posterior claws unequal. 

 The sulci are much less hairy than in the European species. 



A. semisulcatus, Aube*, Spec, p. 132, 4. — Obovate, fulvous, head behind 

 and an M-like mark on the vertex black; thorax transverse, fulvous, punctate, 

 sides straight, anterior and posterior angles acute, disc with two transverse 

 black lines, the anterior one largest and produced posteriorly at each end ; ely- 

 tra thickly and closely punctate, more obsoletely so towards the margin, ful- 

 vou*s, closely irrorated with black dots, with a sub-apical yellow fascia; proster- 

 num and legs yellow, posterior femora slightly suffused with black at the base, 

 metasternum black, very finely punctate, episterna thickly punctate, ventral 

 eegments nunctate, each with a lateral spot and the. apical margin I'ulv ua 

 L. -50— *56 inch. 



2 , with tour deep pubescent furrows on the elytra, the internal one shortest, 

 the middle ones equal, reaching nearly to the base. 

 Pennsylvania, Kansas, Illinois. 



