Platynaspiti.'] clavicornia. 175 



and the remaindpr are widely distributed, representatives oocurring in 

 Africa, Ceylon, China, India, the Malay Archipcdago, &c. ; they are 

 related to Scijmmis in having the upper surface pubescent, but differ in 

 the formation of the head. 



P. luteorubra, Goeze {villosa, Fourc). Subovate, moderately 

 convex, distinctly clothed, especially at sides, with rather long yellowish 

 pubescence ; punctuation fine and close but distinct, more so on elytra 

 than on thorax ; colour black, each elytron with two red spots, the one 

 before middle and the other near apex ; the thorax is usually bordered 

 with yellow or has a triangular patch of yellow on each side, but this is 

 sometimes absent ; in the male the head is usually reddish-yellow and 

 in the female black, but this does not appear to hold good in all cases ; 

 the legs are partly testaceous. L. 2|-3| mm. 



Male with the sixth ventral segment of abdomen emarginate at apex, 

 female with the same segment small and broadly rounded at apex. 



At roots of grass and by sweeping ; found, more frequently, under bark of firs, 

 willows, &c., especially in winter; local, but not uncommon in some places ; Barnes, 

 Richmond Park, Esher, Weybridge, Cliatliam (in profusion under bark of dead 

 standing firs (Champion and Walker)) ; Folkestone; Deal ; Hastings; Chesil Beaeli, 

 Portland; Slaipley ; Hertford; Swansea; Sherwood Forest. 



CHIIiOCOHUS, Leach. 



This genus contains about thirty species, which are very widely dis- 

 tributed, more especially in tropical countries ; two only are found in 

 Europe, both of which occur in Britain ; they may be distinguished liy 

 their very convex and gibbose form, and by the strong lobes at the sides 

 of the clypeus ; the legs are strongly retractile, and the insect, if alarmed, 

 gathers itself up on the leaf on which it may be resting, and, if forced 

 to drop, feigns death ; the larvye are black and liave the body furnished 

 with six rows of branched spines ; they feed, according to Mulsant, on 

 gall insects ; the pupa is remarkable for remaining within the split 

 dried larval skin, within which it is plainly visible. 



I. Head black ; each elytron with a large round red spot ; 



size larger C. siMiiis, Sossi 



{renipustulatus, Scriba). 



II. Head red ; each elytron with a transverse interrupted 



band; size smaller C. bipttstttlattts, L. 



C. similis, Rossi (renijmsttdatvs, Scriba). Hemispherical, very 

 convex, gibbose, with shoulders strongly marked, shining black, with a 

 large rounded and somewhat transverse spot on middle of each orange- 

 red ; abdomen reddish ; legs black ; thorax very finely, elytra finely 

 but rather distinctly, punctured; the sides of the thorax are occasionally 

 reddish. L. 3|-4| mm. 



Male with the fifth ventral segment of abdomen truncate at apex, 



