78 ORDER COLEOPTERA. ^ 



Mr. Harris mentions another species, called the O. erenicola : its color is deep maho- 

 gany brown, smooth, polished ; the male has a deeper tint before the middle of the thorax. 



Genus DICHELONYCUA ( Harris). 

 I>abruni transverse, lanceolate ; mandibles short, trigonal, incurved, acute and toothless ; 

 maxillie minute, linear, bidentate, teeth short ; first joint of the palpi minute, the 

 second longer than the third : antennas nine-jointed. 

 It is more quadrangular and elongated than the Genus Macrodactylus. 



DiCHELONYCHA ELONGATA. ( Plate XXV, fig. 1.) 



Oolor light brown : \)ody quadrate, or with parallel sides, and the head extremity equal- 

 ling the base ; elytra punctured, and marked with a greenish stripe. Length rather 

 more than one-fourth of an inch. '' 



Genus EUCHLORA (Macleay). Anomala ( Mergcrle). 



EucHLORA ccELF.Bs (Gr.). ( Plate xxiv, fig. 6.) 



Yellowish brown ; back part of the head, and central part of the thorax, shaded with 

 darker brown ; elytra bordered with brown. 

 Var. atrata. Darker brown, nearly black (fig. 8). 



Genus HOPLIA ( Illig.). 

 ' Antennae ten-jointed ; claws simple, but unequal ' ( Westwood). 



HopLiA TRiFAsciATA ( S.). ( Plate xxiv, fig. 4.) 



Rufous : surface thickly covered with scale-like grains, with downy hairs ; beneath silvery, 



or rather brassy. Elytra traversed transversely by three paler bars, confluent with 



the darker : post-abdomen covered with brassy granules, similar to the abdomen ; 



legs very long. Female darker than the male. Length one-fuurth of an inch. 



Macrodactylus subspinosa (Latr.). Melolontha s. (Fab.). (PI. v, fig. 13.) 

 Color yellow or ashen or drab, and clothed with a short dense down. It is slender before, 

 but comparatively thick, full and obtuse behind, but tapers gently from the base of 

 the elytra to the extremity of the abdomen, the point of which is exposed : labruni 

 projecting over the mouth ; thorax protuberant laterally, becoming spinous ; elytra 

 covered closely with drab-colored hairs, nearly covering the extremity of the abdo- 

 men : beneath, the abdomen protuberant and greenish ; legs long, rufous, and but 

 sparsely hairy ; joints of the tarsi dark brown, and surrounded with small spines : 

 Xhls is more conspicuous upon the hindlegs. 



