478 FAMILY XI. — STAPH Y LIN ID.i:. 



i>?y. Wingless species; elylrn very short, obliquely truncate at apex. 



ANGUrjVRE. 



an. Thorax very sparsely and oltsoletely puiiclale; winged species: elytra 

 nnich longer than thorax. tknue. 



1)21 (2S0S). AiU'KiiUM ci:ii!a n m i-'auv.. Hull. Soc. Linn.. U. ISTS. 1224. 



Klongnte-oval. depressed. Head black; disk of lliorax and elytra dai-k 

 reddish-br(^<^'n : legs and nai'i-o\v niai'gins ul' tlini-a\- and elylra jpalei'; ahdn- 

 raen, under surface and antenna', except tlu> base, piceous. Head about one- 

 half the \vidlli of IlKirax. si)arsely and Hnely punctate. Thorax snlMpiad- 

 rate. sides feelily curved, fmnl angles roundcMJ. iund ones olttuse, base al- 

 most as wide as apex. l';i\tra at base but slightly wider llian thorax, reach- 

 ing almost to fourth segment of abdium ii. c<iarsel\. soniewhat rcugldy. not 

 densely i)unctate. Abdomen smooth. Li'iigt h 4.-"i .^. nun. 



.Mai-iou and Viu'o coiiiilics ; Crcijueiit Ideally. .March lOctoher 

 f). Occurs l)ciieani hai-k (if loys and dead leaves in dain|) places. 



022 (2S0!)). Aiu'KURM schwarzii Fauv., Bull. Soc. Tjim.. 11, 1S7S. 225. 



Elongate-oval, depressed. Dull brownish (or fuscous) yellow, mod- 

 erately shiiung: legs, sides of thorax and elytra slightly paler: antenna' 

 dusky, paler at base and apex. Thorax quadrate, scarcely wider than long; 

 sides feebly curved ; disk finely and irregularly punctate, uneven, with three 

 or four smooth raised siiaces near middle and a deep imin-ession each sid(\ 

 Elytra distinctly wider and more than twice as long as thorax, coarsely, 

 deeply, not closely punctate. Length ;j.5-a.7 nun. 



Throughout the State; frequent. February 23-Ootober 21. 

 Occurs beneath cover in damp pUices. The Acidola si(h(arinafn of 

 iriy "Winter Insects." 



A. mujidarc Fauv.. coh)r and size of schwarzii and A. tenuc Lee, 

 l)Iackish piceous in hue and 4-4.5 in lenc:th. are both boreal species, 

 taken in Michitian and probably occnr in northern Indiana. 



Amphicroum In I'icolh Lee. blackish to dull ivddish-yellow in 

 hue. 3.7-5 mm. in lenoth, occui-s in abundance on flowers of Cra- 

 l(/(/vs in Pennsylvania. 



Triijonodniius si rial us Lee. is a sonthei-n form, also blackish 

 piceous. smooth, shiniuij-, ieno-tb 4.5 nnn.. which has been recorded 

 tVoni ( 'iiiciiinati. 



lAiilifliiht mil sordidvm Ericbs.. didl xcllow. with piceous abdo- 

 men. 2.7 mm. in length, is also recoi'ded from the same locality. 



LX.\.\1I. Oi.oiMiKrvr Krichs. ]S;-!S. (Gr.. "bold.") 



Oblong-oval, eonv<'\. bhick oi- piceous species having the man- 

 dibles and tilii.r will 1 l,>elli („• spines; anlenna' slender-, as long 



as head and thorax; elytra covering two-thirds of abdomeiK Oiu' 

 species has been taken and another perhai)s occurs in the State. 



