Drake: The Genus Dicysta Champion. 



271 



2. Dicysta hoUandi n. sp. (Fig. i, a and h.) 



In general facies and shape of the elytra, very closely related to 

 D. vitrea, but easily distinguishable by the structures mentioned in 

 the key, the size of the hood, and shape of the inflated portion of 

 median carina. Length 2.92 mm.; width 1.7 mm. 



Head with three frontal spines, the tips of the latter not quite reaching the 

 middle of the first antennal segment. Antennse long and slender, the third 

 segment slightly curved and almost twice as long as the fourth ; fourth seg- 

 ment only slightly enlarged, clothed with a few long hairs. Rostrum reaching 

 almost to the end of the mesosternum. Elytra formed as in vitrea, but with 

 the subcostal area biseriate and the tumid elevations slightly smaller, costal 

 area broad, with five rows of areolae at its widest place. Wings a little longer 

 than the abdomen. Pronotum very coarsely punctate; paranota broad, with 

 four rows of large areolae, the anterior and posterior margins recurved (See 

 fig. I, a and b). Hood a little larger than in vitrea and a little longer than 

 high ; inflated portion of median carina with the anterior margin nearly trun- 

 cate and slightly sloping obliquely upwards caudad. 



General color of vitrea Champion, but without the faint transverse 



Fig. I. Dicysta hollandi Drake, n. sp. a, dorsal view; b, lateral view of 

 hood and inflated portion of median carina. 



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