506 FAMILY XVI. — COCCINELLID.^i;. 



KEY ro INM)I.\NA SIMXIKS OF OinilOPKlU'S. 



(/. Klylni not inmctntc. but innrkcd witli siiinll V-sliaiKMl seratclies ; length 



.7 llllll. SCUTELLARIS. 



ail. Elytra distinctly but lincly and sparsely punctate; length not over 

 .(! mm. 

 h. Form oblong-cnal; length .G nun. 970. glaber. 



hh. Form evenly oval, tlie sides more curved; length .H mm. 



971. MICROS. 



(). sciihllaris lee.. l)l;icl<. legs aiul aiiteniup paler, is known from 

 Ohio and northern Illinois. 



970 (.•^01^9). Orihopekis claber Lee.. Froe. Fhil. Acad. Nat. Sci.. VI, 1852. 



142. 

 Oblong-oval. Plceous-black, glabrous, shining. 'I'horax twice as wide 

 as long, narrowed in front, emarginate at apex, hind angles rectangular. 

 Elytra very sparsely and obsoletely punctured. Length .0 mm. 



Sonthern two-thirds of State ; freqnent. IMareh 20-November 8. 

 Taken hy sifting^. 



971 ( ). Orthoperus micros Casey, Journ. N. Y. Ent. i\oc.. VIII, 1900, 06. 



Rounded-oval. Piceons-black, glabrous, shining. Reticulations of sur- 

 face distinct beneath the lens. Eyes separated on the front by but little 

 more than twice their (iwn width. Length .^t mm. 



Throngliont the S[at(- scarce. AFay 1!)-Jnly 4. 



Family XVI. COCCINELLID.T]. 



The Lady Briis. The Peant-eouse Beetles. 



This family com[)ris('s a moderate niimbor of rounded or hemi- 

 spherical, rarely oblotiii', convex hccllcs. the larger iiieinhers of 

 which are well known under the coinnion iiatne lirsl mentioned. In 

 color they are i;ciierally I'cd or vcllow. with black s|)ots, oi" black 

 will) while. \-('(\ or ncIIow spots. The naiiie Cix el iicJhi is derived 

 from the Coccus, which produces the cochineal dyes so extensively 

 used before the aniline dyes were, discovered, and 

 ' i/ill^A, ^^'^•'^ siigi>'estod by the prevalence of red in the 



coloration ot many of these insects. In most 



1^- cases the surface is fflabrons, but in some of the 

 i" ' ... 



smaller forms it is plainly pubescent. 



Tl)e most distinctive characters of the family 

 are the Ihrce-jointcd tarsi and the l)road. hatchet- 

 shaped terminal joint of the maxillarv palpi. 



Fig. 182. CoccineWi. 1, An- . ii-- 



tenna; 2, iiiaxiiiary paipii.s; 3, ( r lij;'. IS'-!.) ill addition they havc the aiitcnna' 



tar.sus. (After Westwond.) ^ ^ . . ... ' t- 



1 l-.]()inte(l. termuiat uiti' in a more or less distinct 

 o-.jointed club and insei-ted al tlie innci- front maro'in of the eyes; 

 head deeply immersed in the thorax, which is ti-ansverse, rather 



