THE LONO-1IORNED WOOD-BORING BEETLKS. 



Lawrence County; rare. .Juno 5. Beaton from limbs of (lend 

 oak. Ranges from Canada and Pennsylvania to Kansas and Texas. 



L. planidorsus Lee., densely clothed with gray hairs, elytra with 

 interrupted dark crossbar, length !' nun., is known from Michigan, 

 Louisiana and Texas. 



ISl' (0411). LEPTOSTYLfS ACCL1 FKIU'S Say. .Touni. AlllOl'. I'llil. Soc., Ill, 



isi>:;, :;u;> ; ibid. ii. INC. 



Elongate-oblong, robust. I.lackish-brown. densely 

 dutlied with short, prostrate, grayish imliesceiice : elytra 

 with a whitish band behind the middle, this broad at su- 

 ture. narrowing toward the sides, and edited with a black 

 line behind which the surface is fuscous or smoky brown; I fjL^ I ^ 



joints of basal half of antenna' spotted, those of apical ^ 



half, annulate at tips with brown. Disk of thorax witli 

 five blunt tubercles. Male with hind troohantors ending in a short, acute 

 spine. Length 7.5-10 mm. (Fig. 4<n.) 



Southern half of State-, frequent; probably throughout. April 

 22-S< ptomber 20. Breeds in a variety of trees, especially sycamore, 

 oak, apple and osage orang<\ The larv-v mine under the hark and 

 are usually found in diseased or recently cut trees. 



LVIII. LIOPUS Serv. ls:}f>. (Gr., "smooth :- foot.") 



Species usually smaller than those of Lcploxlnl ux and differing 

 by having an acute spine behind the middle on each side of thorax; 

 prcsternum usually narrow; mesosternum gradually narrowed be- 

 hind, truncate at tip and not dilated; antenna 1 always longer than 

 body, joints o to 11. very nearly equal in length. Five species are 

 known from the State. 



KEY TO INDIANA SPECIES OK I.IOl'l S. 



<i. Front flat, mouth in the same plane as the front; elytra without an 



angular mark behind the middle; sides of thorax curved, the spine 



small and acute. U>s;5. VARIEGATUS. 



nil-. Front convex, mouth slightly retracted; spine on side of thorax rather 



distant from base. 

 I). Elytra with distinct tufts of small, black, erect scales. 



c. Form robusr ; pubescence pale ash-gray; elytra with one broadly 

 angulated band. 1!)S4. CRASSTLUS. 



<<. Form slender: pubescence brown: elytra with 'iie b.ind forming 

 a broad angle, and a second less distinct band behind it. 



I'.IS.".. KASC1CTLAKIS. 



l>li. Elytra without tufts of erect scales. 



<l. Elytra with an acutely angular blackish hand behind the middle. 



T.ISti. ALTIIA. 



<ld. Elytra without an angular band but often with a feebly marked 

 transverse band of whitish pubescence. 1DS7. 



