RHYZOPERTHA. 205 



punctures disposed in stria?, distinctly ocellated, and largest behind ; legs 

 and antenna? pitchy. ( L. 1^1.) Sugar casks ? Little Chelsea and Lon- 

 don.) 



330 Rhyzopertha Stephens. 



(1624 pusillaFafc. E. ii. 378. — Ste. M. iii. 354. note. — Pitchy-ferruginous: 

 thorax convex, rough in front ; elytra glabrous, shining, punctate-striate ; 

 antenna? dull red. (L. 1% 1.) Indian roots and seeds; therefore not 

 British. ) 



1625 f cincta Ent. M. (Newm.) ii. 203. — Ste. M. v. 418. — Head and 

 thorax black, hinder portion of the latter testaceous : elytra testaceous, 

 with a wide exterior margin black ; legs and antenna? testaceous. (L. 1^ 1.) 

 Newcastle. 



§4. PSEUDOTETRAMERA Westwood (p.3.) 

 Stirps 1. RHYNCHOPIIORA Latreille. 



Fam. 47 Scolytid^e. Ant. short, slightly elbowed, basal joint elongate, apical 

 joints forming a more or less solid mass : labrum obsolete : head slightly 

 rostrated : maxilla thin, broad, spined without ; palpi conical, minute : 

 body oblong, convex : tibia hooked at the tip ; tarsi with 3d joint bilobed. 



Fam. 48 Curculionid^e. Ant. mostly elbowed, basal joint elongated, 2d joint 

 inserted obliquely at its end, 3 or 4 terminal ones forming a club : labrum 

 obsolete : palpi minute ; conical : head produced into a rostrum, often of 

 considerable length, at the end of which the mouth is placed ; its sides 

 with a groove to receive the antenna? : body oval, narrowed in front ; tarsi 

 with 3d joint bilobed. 



Fam. 49 Attelabid^is. Ant. not elbowed ; the 3 or 4 terminal joints forming 

 a club: labrum obsolete: palpi conical: head produced into arostrwn, which 

 is generally cylindrical and bent, without lateral grooves to receive the an- 

 tenna? : body ovate, narrowed in front ; tarsi with 3d joint bifid. 



Fam. 50 Bruchid^e. Ant. straight, nearly filiform, or slightly clavate, some- 

 times serrated or pectinated : labrum distinct : palpi exposed, filiform : 

 head produced into a short, broad, and flattened rostrum: elytra abbre- 

 viated : hind legs elongate, often very large. 



Fam. 47. SCOLYTID.E Westwood. 



cccxxxi. Trypodendron Funicidns 4-jointed ; club solid, acute : labium 

 parallel : head small : tibia serrated, broad at the tip ; tarsi simple. 



cccxxxii. Platypus Funic. 4-jointed; club solid, nearly round: mand. 

 exserted : tho. elongate, cut out on the sides : tibia short, striated ; tarsi 

 longer than the thighs and tibia? united, and very slender. 



eccxxxiii. Polygraphus Funic. 4-jointed ; club solid, somewhat oval, 

 acuminate : tho. narrowed in front ; elytra rounded behind : tibia den- 

 ticulate; tarsi simple. 



cccxxxiv. Tomicus Funic. 5-jointed ; club 4-jointed, somewhat orbiculate, 

 tunicate : tho. gibbous, broader than the head in front : elytra mostly 

 retuse, and often dentate, behind : tibia serrated ; tarsi simple. 



cccxxxv. Hylesinus Funic. 7-jointed ; club 4-jointed, oblong, acuminate • 

 tho. convex, waved behind : body short, ovate, sometimes pubescent : 

 tibia compressed at the tip, denticulate : tarsi with penult, joint bifid. 



cccxxxvi. Scolytus Funic. 6-jointed ; club 3-jointed, compressed, ovate, 

 solid: tho. very large, narrowed in front: elytra truncate, retuse : tibia 

 compressed, entire, hooked; tarsi with penult, joint bifid: abdomen 

 obliquely truncate behind ; mucronate in $ . 



