THE on- AND BLISTER BEETLES. 1351 



Meloidiv have the antennse ll-jointed, inserted at the sides of the 

 front, before the eyes : elytra variable in form, but when short never 

 truncate ; abdomen witli six free ventral segments ; front and middle 

 coxa' large, corneal, contiguous, the front cavities widely open be- 

 hind; next to last joint of tarsi cylindrical, except in Tetraonyx. 



About 200 species of Meloidse are known from North America, 

 the great majority of them being from the Western and South- 

 western States. These are treated in the following papers : 



LeConte. — "Synopsis of the ileloides of the United States." in 



Proc. Phil. Acad. Nat. S<-i., VI, 1838. :528-350. 

 Lrf'onfe. — "Synopses of the genera Pijrota and Poinph.oiJf£a." 



in New Sp. N. Am. Col., I, 1866, 159-161. 

 Horn. — "Revision of the species of several genera of ^Meloidip 



of the I'nited States." in Proc. Auier. Phil. Soc, XIII, 1873. 



88-117. Gives synojises of Macrohasis. Epicrntta. Poinpho- 



paa and Cantharis. 

 Horn. — "Synoptic tables of Zonifrs and Cahj.^i pasta,'' in Trans. 



Amer. Ent. Soc, V. 1S75, 155; Vll, 1878. 60. 

 Lff'onfr. — "Synoptic table of Xcniormn'ha." in Trans. Amer. 



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

 Horn. — "Studies among the Meloidae," in Trans. Amer. Ent. 



Soc, XII, 1885. 107-116. Gives synopses and description.s 



of Macrobasis. Pj/rota and Tetraonjir. 

 Horn. — "Revision of Calospa.sta," in Pruc. Amer. Phil. Soc, 



XXIX, 1891, 99-102. 

 Wichlujm, TI. F. — "The ]\leloid£e of Ontario and Quebec" in 



Can. Ent., XXVIII, 1896, 31-35. 

 Fall E. ('. — "Notes on Cantharis, with Synoptic Tabic" in 



Trans. Amer. Ent. Soc. XXVII, 1901, 293-304. 

 The North American species of the family may be divided 

 among two subfamilies, both of which are represented in the State 



KEY TO SLBFAMH-IES OF ilELOID^. 



n Side pieces of meso- and metiithorax covered by the elytra : iuflexed 

 iiortlon lit elytra very wide; inner wings absent; elytra (in our 

 species) short and overlapping the suture and leaving most of the 

 abdomen exjjosc<l ; body large, clumsy. 



Subfamily I. Meloix.i;. p. V.''\l. 

 Side pieces of meso- and metathorax visible; inflexed portion of elytra 

 narrow; wings usually present; elytra long, almost or quite covering 

 the abdomen (exciit in Sitarini). ]i<.t overlapping at suture. 



Subfamily II. Caxth.vrin.e. p. I.S.'.i. 



