THE LADN' i{i:!:-n,KS. 517 



;>SOa ( ). Anatis 15-punctata mai.i Say. .loiu-ii. I'liil. Acad. .\al. Sci.. 



IV. 1824, 9o; ibid. I. I'.rJ. 

 .\ varict.v of J'i-i}itnctat(i IiaviiiL' tlic iinmud tlut rcddisli-l)ni\vn and oadi 

 clytral spi.t suirouiuled by a broad i>alo border; the marginal spot of the 

 median row divided or geminate. I.engtli S ft nnu. (Fig. 185, c.) 



.\ siiipjle specimen w;is taken fi-oin hciicalh a chunk on the 

 lic'icli of Lake Miehiji'an. near .Millcfs. Lake (Vninty. on May 13; 

 i:>-/)un(tiila being common alonu' the heaeh on the same date. 



VIIT. PsYLLOBOKA Chevr. ISOG. (Gi-.. "a flea + to eat.") 



Small oval or I'DUudcd convex species, liavino- the upper surface 

 pale, spotted with a darker tint; scutellum minute; mesosternum 

 trnneate ; tarsal claws with a large (piadi-ate tooth on iinier side near 

 a|)ex. One speeies occurs in Indiana. 



'.•.S7 (3078). PsYLLOBORA 20-MACUi.ATA Sa.y, ,Journ. Phil. Acad. Nat. Sci., 

 IV. 1S24. OG; ibid. II, 234. 

 Roiuuled or broadly oval, couvex. Yellowish-white; thorax with five 

 l)laek or brownish spots, the one in front of scutellum the smaller ; elytra 

 each with nine spots, the two discal usually merged and sometimes joining 

 the others partly together. Beneath pale brownish-yellow, the sternum 

 and middle of ventral segments black. Thorax finely, elytra more strongly 

 :ind clos('ly. punctate. Length 2-2.5 mm. (Fig. 191, g.) 



Fr('(|ucn1 throuo-honl the State. April 5-()('tol)er 20. Prob- 

 ably hibernates. Occurs in early spring in numl)ers al)ont the base 

 of skunk cabbage and on leaves of various slu'ubs. 



Tribe III. CHILOCORINI. 



Anteiuia' very short, compact, narr-owly clavate and inserted 

 under a broadly dilated frontal plai(\ thus concealing their base; 

 thorax vei-y small, deeply emarginate in front and rounded behind; 

 epipleura very liroad. concave, sti'ongly descending on the outer 

 side; legs short, femora not ( xleiiding beyond sides of body; tarsi 

 beneath densely, spongy pubescent. Three genera compose the 

 tribe, all of which are represeuted in Indiana. 



KEY TO INDIANA GENEH.V OE CIIILOCORINI. 



a. Front tibia with a small tootli on outer margin near base; thorax i)ubes- 

 eent toward sides; length loss tiiaii tl inm. \X. Cuilocorus. 



aa. Front tibi;i without a Innih: lhni-,i\ m.l puliescent low.ird tlie side mar- 

 gins. 

 /(. P.imIv couvex. iiol ciiiiiprt'sscd nor c\i-a\alcd l)cnea(b; size small, not 

 over 3.5 mm. X. ExociioMi s. 



bb. Body very convex. sul)compressed above, excavated beneath for the 

 femora; size large, G or more mm. XI. Axion. 



