THE MELANDRYID BARK BEETLES. 



*2389 (7081). EUSTKOPHUS TOMENTOSVS Say, Jouni. PhM. Ac-ad. Nat. Sci., 



V, 182G, 293; ibid. II, 305. 



Oval, moderately convex, equally obtuse before and behind. Brown, 

 feebly shilling, rather thickly clothed with short yellowish pubescence; an- 

 tenna-, under surface and legs reddish-brown. Eyes separated in front by 

 a distance one-fourth greater than their own width. Thorax rather closely 

 and finely punctate, the basal impressions very faint. Elytra with rows 

 of fine punctures, which become much smaller near apex; intervals densely 

 and somewhat roughly punctate. Middle and hind tibi:e with ridges as in 

 hicolor. Length -1.5-5 mm. 



Southern two-thirds of State, frequent; probably throughout. 

 February 6 September 13. Imagoes just emerging were taken on 

 the later date. Occurs beneath hark and in dry fungi. Hibernates 

 in small numbers beneath deeply buried logs. 



VII. HOLOSTROPHUS Horn. 1SSS. (dr., "entire 4 nourished"; 



i. e., well-fed.) 



Small oval species which, besides the characters given in key, 

 have the eyes very widely separated, scarcely emarginate in front; 

 last joint of maxillary palpi oval, obliquely truncate; fourth joint 

 of antenna 1 not shorter than fifth. One of the three known species 

 occurs in the State. 



23. M> (70SO). IIoLOSTijopiirs IUFASCIATI'S Say. Long's Exped., II, 1824.282; 

 ibid. I, ISO. 



Oval, convex, distinctly narrowed behind middle. Reddish-brown, shin- 

 ing, clothed with short, reddish pubescence; elytra piceous, with a broad, 

 yellowish band on basal and another on apical third, these interrupted at 

 suture; antenna* pale reddish-brown. Thorax finely and closely punctate, 

 the basal impressions short and linear. Elytra finely, densely and irregu- 

 larly punctate. Length 4-5.5 mm. 



Throughout the State; frequent. April 7-October 9. Occurs in 

 and beneath rotten logs and in dry fungi in dense woods. Ranges 

 from Massachusetts to Virginia and Tennessee. 



VIII. HALLO MENUS Panz. 1793. (Gr., "to leap.") 



Small elongate or oblong species having the spurs of hind tibia 1 

 moderate in size and the hind COXIP oblique. Two of the four recog- 

 nized species occur in the State. 



KEY TO INDIANA SPECIES OF HALLOMKNTS. 



. Pic-eons or dark reddish-brown : antemue. legs and base of elytra dull 



brownish-yellow; length 4-4.5 mm. 23!>1. SCAPULARIS. 



(id. Pale In-own; head fuscous; smaller, .", mm. 23112. DEHII.IS. 



