1278 



l<\\ M HjY ].VI. — CISTKLID.K. 



liy(J5 (T()0!)). I.soMiKA tiiAUuiSTKiATA Couit., Call. Naturalist, isor), Gi;. 



Rather l)n>a(ll.v (ival. cunvex, feebly sbiuiii.ii. 

 I)ark reddisli-hiMwu tn iiiceuus. the head and 

 thin'ax sonietiiiK's ahiuist black; antenna' and 

 libia' usually iialer, the former (ine-half tlie 

 Iciiuth (if body. Tho]-ax nearly twice as wide 

 as lonu'. sides rounded on basal half, converji;inii 

 toward ajiex. which is two-thirds as wide as 

 Itase; disk finely and densely punetate. Elytra 

 at nuddle one-fourth wider than thorax ; surface 

 tinely and sjiarsely but distinctly punctate, each 

 with two stri;e i)laiidy visible only on apical half 

 near the suture. Length 5-0.5 mm. (Fig. 5(57.) 

 Throiighont tlie State ; much more coni- 

 nion in tlie iidi'thern counties, where it 

 occurs ahoundantly on huckleberry and other shmibs along the 

 l)orders of marshes. May 11-Aiignst 15. The last joint of the max- 

 illary palpi is much more broadly triangular than in sericea. 



Fig. 567. X 7. (Origimil ) 



23<i(> ( ). IsoMiRA .si.Mn,is sp. nov. 



Elongate-oval, convex. Dr.rk reddish-lirown, feeltly sliining; antemi.-e 

 and legs paler; pubescenc<' line, sliort. yellowish, rather dense. Head small, 

 less than half the widtii of Ihorax, finely and densely imnctate. Antenna' 

 slender, one-half the lenglii of Itody; second joint one-fourth the length of 

 third, the latter a little longer than fourth. Thorax twice as wide as long, 

 strongly narrowed from base to a])ex; sides evenly rounded, base blsinuate. 

 hind angles rectangular: surface finely and densely punctate and with a 

 line impressed median line on basal third. Elytra at base but slightly 

 wider than thcn-ax ; surface finely and rather sparsely punctate, the sutural 

 strife extending three-fourths to base, the others evident (mly near apex. 

 Presternum densely and roughly punctate; abdomen tinely and rather close- 

 ly punctate. Length 7 nun. 



Posey County; rare. July 9. The larger size and much larger 

 eyes easily distinguish it from 1-sft inta. 



23(!7 (10,0!»:!). Isomika oulongula Casey, Ann. N. Y. Acad. Sci., YI, ISOL 

 151. 

 Elongate-oblong, subp;irallel. Uniform dark reddish-brown to piceous, 

 clothed with short, dense, pale pubescence. Thorax three-fourths wider 

 than long, sides nearly straight except on apical fourth, where they are 

 rounded iido the apex, hind angles obtuse; surface finely and very densely 

 punctate, with a wide but feeble impression each side near base. Elytra 

 four times as long as thorax; disk finely and densely innictate and with dis- 

 tinct but sliglilly im]iressed stri;e. without rows of ]iunctures. Length 0.7- 

 7.2 mm. 



Stai-ke, Tippecanoe atid Orange counties; scarce. June 1-June 

 21. Beaten from oak. 



