THE LEAF BEETLES. 



1223 



2264 (7059). PSYLUODES CONVEXIOR Lee., Pac. II. R. Rep., 1857, 09. 



Oblong-oval, moderately eon- 

 vex. Pi ceo us, shining and dis- 

 tinctly bronzed ; anteunre piceous, 

 three basal joints paler ; legs as 

 in -punct-ulata. Thorax nearly 

 twice as wide at base as long, 

 surface finely punctate at middle, 

 a little more coarsely at sides. 

 Elytra not wider at base than 

 thorax ; punctures rather coarse, 

 well separated, becoming gradu- 

 ally finer toward apex ; intervals 

 flat, the inner three with numer- 

 ous fine punctures, the outer ones 

 each with but a single row. 

 Length 2-2.5 mm. (Fig. 544.) 



Northern half of State; 

 frequent. Not taken south of 

 Marion County. April 25- 

 Oetober 23. Occurs on 

 grasses and sedges in low, 

 moist meadows. 



Fig. 544. X 22. (After Forbes.) 



Tribe XL HISPINI. 



Small or medium-sized wedge-shaped (elongate in genus Ste- 

 in spa) species having the elytra often broadly and squarely trun- 

 cate behind, with rows of deep punctures, and sometimes raised 

 lines or costs?. The front of head is prominent, the mouth being 

 confined to the under surface, and the head is never covered by the 

 thorax, which is emarginate or truncate in front. The antenna? are 

 short, straight, compact and close together at base. The larva 1 are 

 mostly leaf -miners, feeding between the upper and lower surfaces 

 of leaves, and have the head much narrower than the body and the 

 first three segments wider than those behind. Those that feed on 

 the surface of leaves cover themselves with a shelter or protection 

 of their own excrement. The following paper deals particularly 

 with the genera comprising the tribe. 



Horn. "Miscellaneous Notes and Short Studies of North Amer- 

 ican Coleoptera," in Trans. Amer. Entom. Soc., X, 1883, 

 290-303. 



Five of the six genera recognized by Horn are probably repre- 

 sented in the State. 



