Till': (111, WD I'.Ms'ri'.K' i:i:i:'ri.i:s. l;!,')! 



.Mcloida' have the antcMiiui' 1 l-joiiitcd, iiiscrtcd at the sides of the 

 ri-oiil, l)( fore the eyes; (dytra variahh> in fofin, l»iit wlicii shoii nc\cr 

 triiiicat(t; ahdoiiieii with six Tree vent rai se<;'iiients ; front and iniddlr 

 roxa' hiruc conical, contij^uou.s, tlie front cavities \vi(h'ly open he- 

 liiiid: next to hist joint of tarsi (^vlindricai. except in T( I nnnnf.r. 



Al)()nt '200 species of ^leloidii; are known from North America, 

 the ui-eat majority of them being from the Western and Sontli- 

 wcstei-n States. These are treated in the folh)\ving papers: 



LcCo)ifc. — "Synopsis of the .Meh)i(h's of the Tnitcd States," /// 



Proc. Phil. Acad. Nat. Sei., VI, 185:1, 32S-;?o(). 

 LcContc. — "Synopses of the genei-a I'l/rofa and I'dinpliopd'a," 



ill New Sp. N. Am. Col., T, 1866, 150-161. 

 TIoDi. — "Kevision of the species of several genera of Mcloi(hc 



of theTTnited States," /y* I'roc. Amer. Pliil. Soc., Xlll. ]S7:;. 



88-117. Gives syno|)ses of Miirfolxisis, f'Jpicdiiln, I'mn plm- 



pcea and Cantliarh. 

 Horn. — "Synoptic tahk's of Zmilhs and Caiospushi .'' in Trails. 



Amer. Ent. Soc, V, 1875, 155; \\\, 1878, 60. 

 LcContc. — "Synoptic table of NoiuuinaUui," in 'I'rans. .\mei-. 



Ent. Soc., YIII, 1880, 212-215. 

 Horn. — "Studies among the Meloida', " iii Ti-ans. Amer. ImiI. 



Soc, XII, 1885, 107-116. Gives syno])ses and d(»sci'i|)tions 



of Macrohasi.s, Pip-ola and Tclrdoini.r. 

 Horn. — "Revision of (Vilospasta," /// Pi-oc. Amer. Phil. Soc., 



XXIX, 1891, 09-102. 

 Wicl-hatH, TI. F. — "The ^Feloida^ of Ontario and QiK^bcc," in 



Can. Ent., XXYIII, 1896, 31-85. 

 Fall. II. r'.— "Notes on Gantharis, with Synoptic Tahh'." in 



Trans. Amer. Ent. Soc. XXVTT, 1901, 293-804. 



The North American s])ecies of the family may he divided 

 among two subfamilies, botli of wliicli are represented in the Stati'. 



KEY TO Sl'HFAMILIES Ol' MKI.OID.E. 



(/. Side ]iieces of iiieso- and metathorax covered l>y tlie elylra: intlexeil 

 l>(»rtioii of elytra very wide: inner wings absent; elytra (in tair 

 species) short and overlaijpinii tlie sntnre and leavinsr most of the 

 aiidonien exjiosed; Imdy l.-ir.ue. clnnisy. 



Snlifaniily I. .Mia.oi \ i:. p. i:;."i_'. 

 (iti. Side pieres of nieso- and nietathorax visilde: inllexed luirliun <if elylra 

 narrow; wings usually presenl : elylra lung, iilinost or (piite covering 

 the abdomen (exceitt in Silmiiii ) . imt evei-lajiiting at sutin-e. 



Snhfamilv II. ( "an iiiahixk. p. \:\'>:',. 



