22 NEW SPECIES OF INSECTS. 



Genus NEMOGNATHA. Illiger, Zonitis of Fabu 



and Latr. 



Maxillae very much elongated, inflected, filiform, 



SPECIES. 



JV, Immaculata, Lemon yellow, immaculate. Ely- 

 tra with scattered punctures. Maxilla not longer than the 

 thorax, and with the antennae and palpi black. 



A'. Immaculata, American Entom. plate III. 



Inhabits the plains of the Missouri. 



Aritenncs black, basal joint pale testaceous. Eyes, 

 maxillae, palpi, tips of the thighs and tarsi black. Elytra 

 irregularly punctured, naked, poUshed. 



Comes near to the description of Zonitis palida of Fa- 

 bricius, but that insect is said to be large, and may pro- 

 bably be a true Zonitis. Oar specimens are not more 

 tlian half the size of A*. Fittata. 



Found on thistles (Cardui) by Mr. Nuttall; numerous. 



Genus ZONITIS. Fabricius and Latreille. 



Maxillae not elongated. Antennae with the first and 

 third joint of the same length, the second a little shorter, 

 the third and following cylindric, the last one fusiform, 

 terminating abruptly in a short point, 



SPECIES. 



Z, hilineata. Ferruginous. Elytra pale yellowish, 

 with a black fillet. Scutel black. 



Inhabits with the preceding on thistles. — Nuttall, 



