1364 



FAMILY LXV. — RHIPIPHORIDJS. 



VIII. PoMPHOPOEA Lec. 1862. (Gr., "a blister.") 



The only characters separating this genus from Pijrula and Gan- 

 tharis are those set forth in the key. One of the five species occurs 

 in the State. 



I'.jyO (8124). PoMPi-iopcEA iENEA Say, Jouru. Phil. Acad. Nat. Sci., Ill, 

 3824, 301; ibid. II, 168. 

 Elongate, slender, sulx-ylindrlcal. Under surface, head and thorax 

 greenish, rather thickly clothed with long gray hairs ; elytra bronzed and 

 with a few short, scattered liairs; antenna? black; legs reddish-yellow, the 

 knees and trochantins black. Upper surface alutaceous, the head and tho- 

 rax sparsely, irregularly and rather finely punctured. Thorax bell-shaped 

 and with distinct median impressed line. Elytra finely rugose, not dis- 

 tinctly punctate. Front til)i;e of male straight and with two spurs ; hind 

 tibial spurs unequal, the outer broader. Length 10-16 mm. 



Pntnaiu and Vigo counties; rare. 

 April 20-May 4. Occurs on blossoms of 

 apple, pear, etc. 



P sayi Lec. (Fig. 595), length 15-lS 

 mm., and P. itnguicularis Lec., length 

 18-20 mm., were both described from 

 Illinois and may occur in Indiana. Ac- 

 cording to the descriptions, they differ 

 very slightly from (oica. the elytra being 

 glabrous and the legs more or less blue- 

 black In unguicularis the hind tibiaj of 

 male are dilated toward apex and 

 Fig. 590. Pomphoma Sayi X 2j s^rougly Compressed, while in miji the 



Wter CMttenden in Bull. 38, U. S. Div. ^ibia^ ai'O normal. 



Family LXV. RHIPIPIIORIDxE. 



The Ri-TiPiPHORiD Beeti,es. 



A small family of wedge-shaped beetles rcsemliling the .Mordel- 

 lidiv closely in general appearance, but haviiio' the sides of thorax 

 ^vlthout a sharp edge; hind body not terminatizig in a spinous 

 proces.s as in most Slordellids ; elytra usually shorter than the abdo^ 

 men and narrowed behind, with the inner Avings longer and usually 

 more or less projecting; antenna:' pectinate or fan-shaped in the 

 males, frequently serrate in the females. The adults occur on 

 flowers and are much less common than the !\rordellids. The larvae 

 that are kn,nvn are parasitic, some in the nests of wasps and others 

 on cockroaches. 



In addition to the general characters mentioned, the Rhipiphori- 

 dffi have the head vertical, the neck verv slendpr f,r,r\ or,<-;„„u, -- 



