62 MISC. PUBLICATION 6 98, U. S. DEPT. OF AGRICULTURE 



Distribution. — This species has been recorded only from Japan. 

 There is a single specimen in the United States National Museum 

 Collection taken in a wooden packing case from Japan, September 16, 

 1936, by W. F. Clapp. So far this species has not become established 

 in the United States. 



Hosts. — Nothing has been recorded on the habits of this species. 



Lesne described this species from five specimens, all of which he 

 designated as types. 



Sinoxylon ruficorne Fahraeus 



Sinoxylon ruficorne Fahraeus, 1872, Ofvers. Vetensk. Akad. Forbandl. 28 

 (1871) : 665-666; Lesne, 1906, Soc. Ent de France Ann. 75: 471, 513-517, figs. 

 540-541 ; Lounsbury, 1915, Bui. Ent. Res. 6 : 201 ; Lesne, 1924, Bostrychides de 

 l'Afrique Tropicale Frangaise, pp. 177, 180-183, figs. 111-112; 1938, in Junk 

 (pub.), Coleopt. Cat., pt. 161, p. 52 ; Tooke and Scott, 1944, So. Africa Dept. Agr. 

 and Forestry Bui. 247 (Ent. Ser. 14) : 7, 11-12, fig. 12. 



Body short. Black to dark reddish brown, antennae, palpi, and 

 tarsi yellowish to pale reddish brown. 



Head with four small, distinct tubercles along anterior margin, 

 coarsely, sparsely punctate and sparsely clothed with short, semierect 

 and recumbent, inconspicuous hairs on front, with long, fine, longi- 

 tudinal, parallel costae on occiput; clypeus flat, sparsely, finely 

 granulose, sparsely clothed with short, semierect hairs ; clypeal suture 

 distinct at middle, obsolete at sides; labrum indistinctly punctate. 

 Antennal club not flabellate, but segments strongly transverse, densely 

 clothed with very short, recumbent, yellowish hairs ; first segment of 

 club subtriangular, twice as wide as long ; second slightly wider than 

 first, about as wide as length of first seven segments united; third 

 oblong. 



Pronotum slightly wider than long, widest along basal half ; sides 

 parallel along basal half, arcuately converging anteriorly, with a small, 

 unciform tooth at apical angles; posterior angles obtusely rounded; 

 surface rather densely clothed with short, recumbent, yellowish hairs, 

 sparsely, finely granulose on basal half, densely granulose and irreg- 

 ularly dentate on apical half, the teeth broad, semierect, variable in 

 size, and rasplike, and with four or five larger tubercles on each side 

 along lateral margin. 



Elytra at base subequal in width to pronotum along basal half ; sides 

 slightly expanded posteriorly, conjointly broadly rounded at apices; 

 submarginal carina following outline of lateral margin, sharply ele- 

 vated along apical declivity; basal margin thickened and densely, 

 finely tuberculate ; surface rather densely clothed with very short, re- 

 cumbent, yellowish hairs, coarsely, densely, irregularly punctate, the 

 punctures more or less confluent on apical declivity ; apical declivity 

 obliquely deflexed, each elytron with three costiform tubercles at 

 top of declivity, and a long, smooth, erect, slightly divergent, tri- 

 angular tubercle near middle of declivity, the tubercle placed at inner 

 edge of sutural margin, compressed laterally, slightly concave on 

 inner surface, acute at apex, and at bottom connected to sutural 

 margin by a vague, transverse carina; sutural margins broadly 

 strongly elevated on apical declivity, with inner margins crenulate. 



Body beneath finely, densely punctate or rugose, densely clothed with 

 long, recumbent, yellowish hairs; last visible abdominal sternite 

 broadly rounded or subtruncate at apex. 



