INSECTA. 537 
Anterophagus Knocu, Emphylus Ericus., Paramecosoma Curtis, 
Atomaria Kirsy, Hpistemus Westw., Ericus. 
Sp. Cryptophagus crenatus Hergst, Dermestes cellaris Scopout, Sturm 
Deutschl. Ins. xvi. Tab. 313, fig. D. 
Silvanus LATR. 
Mycetophagus Fapr., Orty. Antenne gradually thicker to- 
wards the apex or clavate. Labrum distinct, horny, covering man- 
dibles. Mandibles with apex bidentate. Palps filiform, labial 
short, maxillary longer, incrassate. ‘Tarsi quadriarticulate, anterior 
of male triarticulate. 
Sp. Mycetophagus piceus Fasr., Mycetoph. variabilis GYuL., PaANzER Deutschl. 
Ins. Heft 1, Tab. 22, &e. 
Add genera T'riphyllus Mrc., Typhea Kirpy, and some others 
here omitted. 
Ptilium ScHUEPPEL, Trichopteryx Kirpy. Antenne straight, 
with eleven joints, the three terminal joints incrassated. Tarsi 
triarticulate ; seta, furnished with terminal pulvillus, placed be- 
tween the claws. Wings narrow, lanceolate, ciliated at the margin. 
Sp. Ptilium fascicware, Trichopt. grandicollis Ericus., Sturm Deutschl. Ins. 
Xvil. Tab. 322, fig. 1, &e. 
Small insects (scarcely more than }”” long), living in ant-hills under 
decaying leaves, the bark of trees, &c. with elytra often abbreviate, trun- 
cated. Compare GILLMEISTER, StuRM Deutschl. Ins, Xv1t. 1845, ERICHSON 
Naturgesch. d. Ins. Deutschl. 111. pp. 13—40. 
Dermestes L. Antenne frontal, straight, short, clavate, with 
club mostly triarticulate. Mandibles short; maxille with two 
lacinie, mostly membranous. alps short, incrassated. Tarsi 
with five joints. Abdomen with five ventral segments, free. Feet 
contractile under the body. LElytra entirely covering abdomen. 
Sp. Dermestes lardarius L., BLANKAART Schouburg, Tab. XI. p. 96, figs. K, 
L, M, DumérIL Cons. gén. s. 1. Ins. Pl. 6, fig. 10; 3'” long, black, with a 
grey, transverse band at the base of the shield-covers ; very common in 
houses. Derm. murinus L., Panzer Deutschl. Ins. Heft 40, Tab. 10, &c. 
These insects in the larval and perfect states feed on all kinds of animal 
substances : leather, bacon, &c. 
Note—The remaining sub-genera, composing the tribe of the 
Dermestini, are furnished with a single frontal ocellus, which is 
absent in Dermestes. 
