TiTi', i,.\i)V liKirn-KS. 519 



i>90 ( ). AXION l*I,AliIATl M Oliv.. Kilt. VI, ISOS. Kill. 



Broadly oval, vory i-onvox. I'.Iark, slroiiu'ly sliiiiiiiLc; head ami nar- 

 row space uear apical margins of llKirax reddish; elytra each witli a larye 

 round, brick-red spot on sides in front of middle. lieneatli reddish-yel- 

 low, the middle of abdomen black. Leiiulli (t.r> nnn. 



Kiidwii from the Slate 1).\, a siim'le male taken 1»\' WdleotI iieaf 

 I'iiie, l^ake Coiiiit;.'. May I'd. Ueseinbles ('ItUovorus hi lud in riis, 

 hilt imicli lai'S'or, inore convex and with smooth iippci' siirf'ncc. 'I'Ik; 

 head is usually wholly hlaek and the red spot of elylron is said to 

 hi' tiuich lariici" in lemale than in male. 



Tribe IV. (ENEINI. 



The ])i'iiici])al characters of this group are set forth in the 

 tribal key. Tlie s])eoies arc gla])rous or nearly so and are among 

 the most minute memhers ol' the Coccinellida'. The tribe is repre- 

 sented in Xoi'th America l)y the single genus: 



XII. DisLPiiASTi^s Casey. 1899. 



Antennae well developed, with a compressed elliptical cluh ; tho- 

 rax as wide as elytra, short and transverse; scutellum well de- 

 veloped, a little longer than wide; coxae all remotely separated; 

 front femora greatly dilated, when in re])ose completely conceal- 

 ing the tibia^ and tarsi. 



J»01 (3088). Delphastus plsillvs Lee, Proc. Phil. Acad. Nat. Sci., VI, 

 1852, 335. 

 Oblong-oval, when in repose almost globose. Black, very shining; head, 

 legs and sides of thorax pale in the male. Head and thorax finely, sparsely 

 imnctate ; the latter distinctly margined. Length 1.3-1.5 mm. 



Throughout the State; frequent. April 28-August 11. Beaten 

 from vegetation or taken from beneath stones. 



Tribe V. ITVPLKASPINI. 



Sj)ecies below the medium in size, and having the body oval or 

 hemispherical, compact and usually contractile; antenna? short and 

 11-jointed; epipleura'. in our genera, hollowed out for the reception 

 of the knees of middh^ and hind legs; scutellum well developed and 

 triangular; legs short, stout and strongly retractile; front coxae nar- 

 rowly separated; pr-ostermnn flat. Two ircnera. are represented in 

 Indiana. 



KIY TO I.\1)IA.\A GEXER.\ OF IIYPERASPINI. 



(t. Front tii)i;e with a strong spine on outer edge near middle; eyes with a 



small eniarginatidii in fniiit. XIII. Brachyacantha. 



<i(i. Front tibia^ without sjjines: eyes enlii-e: elytral spots well defined and 



usually fewer in number. XIV. IIyperaspis. 



