INSECTA. 535 
Colon HERBST. 
Consult Sturm Deutschl. Fauna, Ins. xiv. pp. 46—74. 
Scaphidium Orty. Antenne straight, moderate, thicker at the 
apex, mostly provided with a club of five joints. Mandibles small, 
horny, with border membranous internally, unidentate or bidentate. 
Maxille with two membranous laciniz. Maxillary palps quadri- 
articulate, with last joint acuminate at the apex. Labial palps 
very short. Body navicular, at both ends angustato-acuminate, 
with head small, deflected. Elytra truncated at the apex. Feet 
slender. 
Sub-genera: Scaphidium Leacu, Scaphium Kirsy, Amalocera 
Ericuson, Scaphisoma LEacu. ; 
Sp. Scaphidium agaricinum, Silpha agaricina L., PANZER Deutschl. Ins. 
Heft 2, Tab. 3, Xe. 
Nitidula Fasr. Antenne straight, clavate, club mostly triarti- 
culate. Labrum distinct. Mandibles partly exsert, emarginate or 
bidentate at the apex. Maxille mostly with single membranous 
lacinia, the external lacinia obsolete. alps short, filiform. Head 
retracted within thorax almost as far as the eyes. Elytra often ab- 
breviate. Tarsi with fourth joint very small, subindistinct. 
Cercus Lavr., Brachypterus Kucet., Carpophilus Leacu, Nitidula 
Later. ([pidia, Epurea, Nitidula, Soronia, Amphotis, Omosita 
. Ericus., Pria Kirsy, Meligethes Kirpy), Thalicra Ericus., Poca- 
dius Ericus., Oychranus Kucet. (Strongylus Hersst), Cybocephalus 
Ericus., Cyllodes ejusd. 
Compare ErtcHson, GERMAR’S Zeitsch. f. d. Entom. Iv. 1843, Pp. 225; 
&e. v. 1844, p. 438 &c.; Ertcuson’s Naturgesch. d. Ins. Deutschl. 111. 
pp. 125—220. 
Sp. Nitidula bipustulata Fasr., Silpha bipustulata L., Panzer, Deutschl. Ins. 
Heft 3, Tab. 10, Sturm Deutschl. Fauna, Ins. xv. Tab. 298, &e. 
Ips. Far. Labrum membranous, concealed under the clypeus, 
porrect between the mandibles. Maxille with single lacinia. Tarsi 
as in the preceding genus, 
Rhizophagus HERssT. 
Peltis Grorrr., Thymalus Latr. Antenne with club triarticu- 
late. Maxille with two lacinie, the interior armed with a horny 
hook. Body broad, depressed, with thorax and elytra marginate. 
