'I'll! 



]a:.\f 1!i:I':ti,ks. 



1115 



the curious luibit of onolosing themselves iu conipnet eases, com- 

 posed of their own excfcMiient, Avliich they mould into sliape by 

 uienns of thcii- iii.uidiltlcs. 'I'hcy carry their cases al»out willi them 

 b}^ l)rotrudiu.u- tlic front part o!' tlieir ])odi(^s throuuii the open ex- 

 tremity. (Fif?- 482, ^. ) W'lu'U about to trausform tliey attach 

 their eas(>s to tlie twin's, and eh>se the o|)eninf4', thus inakin<4 tliem 

 answer the pui'i)ose of a cocoon. 



Two u'enera compose tlie ti'ibe. 'IMu' latest pa[)ei" trcatinii' of 

 tliem is ])y 



Li)i<n, M(irli)> L. — "New Sj)ecies of Coleoptera of the Family 

 Chi-ysonu'lida^ with a Short Review of tlie Tribe Chlamy- 

 dini/" in I'roc V. S. Nat. Mus.. XX, 1897, 473^85. 



KEY TO GENERA OF CUTAMYDTNI. 



(/. Aiit(MHi;i' serrate Irdin Hie Idtirtli nr lillli Joint. XI. CnrAMYS. 



ltd. .\utoiiii;i' serrate I'roiii the sixth joint. XII. IOxema. 



XI. Ciii.AMVs Knoch. ISDl. (i\L., "A cloals or manth'.") 

 1'wo s|)eeies probal»ly occiu" in tlie State. 



KEY TO INDIANA SPECIES OE CIILAMYS. 



(/. l'".lytr:il iiitei'v;iis ihiI or olisoletely ]>unetate; length 4 niiii. 



'li)~\~i. PLIOATA. 



(/(/. Elytnil intei'vals eltisely and deeply ])uiictate ; leii.ijth not over .'> mm. 



( HIP>RIPENNIS. 



20.54 (G(iOt). Chlamys plicata Fab., Ent. Syst. 

 Supp., 1798, 111. 

 S h r t, robust, obloiig-quadrate. Brown, 

 bronzed; elytra and legs sometimes blackish. 

 Thorax with surface finely and densely strlgose; 

 disk with a large central tubercle which is 

 sjiar.sely and coarsely punctured in front and bifid at 

 snnunit. Elytra each with 12 to 15 tul>ercles, the four 

 l.irgest of which are arranged in an oblique row ex- 

 ending from humerus to suture; intervals between 

 he tubercles sparsely punctate, either flat or covered 

 with smaller tubercles. Length 4 mm. (Fig. 482.) 



Throughout tlui State, frequent; more so in 

 the southern counties. IMay Ifi-Soptember 22. 

 Occurs on foliage of vai'ious kinds, usually that 

 of roadsidt' \veeds. 



C crihrijx iiiiis L(>c., length 3 mm., was desci'ilxHl fi'oni Detroit, 



•higan, and mav occur in northern Indiana. 



witli 

 case; 

 latt.) 



C 482. II, l,irv.v; li. saiiio 

 body protruding from 

 c, beetle. (After Mar- 



^rii 



