THE LEAF BEETLES. 



1147 



XXX. Colaspis Fabr. 1801. (Gr., " mutilated + shield.") 



Small, oblong or oval species, having the thorax not lobed behind 

 the eyes; tarsal claws broadly appendiculate ; tibia- entire, 



2125 (6774). Colaspis bkunnea Fabr., Ent. Syst. Supp., 1798, 94. 



Oblong-oval, moderately convex. Dull brownish- or reddish-yellow, legs 

 always pale; outer joints of antennae often dusky. Head rather coarsely 

 and sparsely punctate. Thorax about one-half wider than long, sides rather 

 broadly curved, angles prominent, disk rather closely and evenly punctate. 

 Elytra with intervals more or less costate, between which are two or three 

 irregular rows of coarse, deep punctures. Male with first joint of front 

 tarsi dilated. Length 4.5-6 mm. 



Throughout the State ; frequent. June 4-August 11. Occ urs on 

 various wild and cultivated plants, among the latter, grape, beans, 

 strawberries, etc, The larvae are said to feed on the roots of grapes. 

 Variety flavida Say is wholly dull yellow, while in the typical brun- 

 nea the epipleural margin and under surface are brownish, often 

 with a metallic lustre. In var. costipennis Dej., the head and tho- 

 rax are brightly metallic and the elytra brown, with yellow costa3. 



XXXI. Ehabdopterus Lef . 1885. (Gr., "a rod + wing. ") 



A single species, formerly listed as Colaspis prcetexta Say, has 

 been ascribed to this genus by Horn. From Colaspis it is separated 

 only by the shape of the presternum as mentioned in generic key. 

 2126 (6775). Rhabdopteeus picipes Oliv., Ent., VI, 1806, 886. 



Oblong-oval, convex. Brown, bronzed, strongly shining, the elytral 

 margins often greenish-bronzed ; antenna? and legs reddish-yellow-, the outer 

 joints of former often dusky; under surface of body greenish, abdomen 

 brown, its tip paler. Head coarsely and sparsely punctate, clypeus more 

 closely punctate. Thorax nearly twice as wide as long, narrowed in front, 

 sides strongly curved, hind angles prominent; disk rather sparsely and 

 finely punctate. Elytra coarsely but not closely punctate, the punctures 

 irregular on the disk, a line representing the third interval smooth. Length 

 4-5 mm. 



Throughout the State; scarce. June 24-August 11. Occurs on 

 linn, wild grape, etc. Resembles Ty nines metasternalis very closely ; 

 separated by the absence of thoracic lobes behind the eyes, the more 

 sparsely punctured thorax and smooth metasternum. 



XXXII. Nodonota Let*. 1 885. (Gr., ' ' knot + back. ") 

 Small, oval, convex, greenish-bronzed or bluish forms, having the 

 thorax with side margins entire and basal marginal line present; 

 third antennal joint distinctly longer than second, the sixth joint 



