280 E. T. CRESSON. 



Melissodes enavafa, n. sp. 



9- — Robust, black, head and thorax clothed with a dense oehraceons pu- 

 hescence; vertex smooth, shining, iinpunctured ; clypeus and labrum with 

 coarse shallow punctures; antennae very short, flagellum brownish beneath; 

 disk of mesothorax and scutellum smooth, shining, impunctured, entirely nude 

 (probably rubbed); tegulfe piceous ; wings subhyaline, slightly tinged with 

 yellowish, apical margins dusky; legs thickly clothed with ochraeeous pubes- 

 cence, long and very dense on posterior tibire and base of tarsi, tips of the 

 latter ferruginous; abdomen broad, depressed, thinly covered with a short ap- 

 pressed ochraeeous pubescence, longer and more dense laterally and especially 

 dense on lateral margins, base and sides of first segment with erect pubescence, 

 apical margin of fifth segment with dense ochraeeous pubescence, disk of api- 

 cal segment narrow, cuneiform, pointed at apex ; ventral segments with an api- 

 cal band of long, dense ochraeeous pubescence. Length .54 inch. 



Two specimens. (Belfrage.) The pubescence is of a uniform 

 ocliraceous color, tlie antennae shorter than usual, and the disk pf 

 apical segment of abdomen unusually narrow and pointed at apex. 



Melisso«Ies spissa, n. sp. 



9. — Robust, black, closely punctured; face and cheeks with rather long; 

 not dense pale pubescence, that on sides of clypeus short and scattered, that on 

 occiput long and yellowish; clypeus densely punctured; labrum with dense 

 ochraeeous pubescence; mandibles fringed beneath with long yellowish hairs; 

 iiagellum dull testaceous beneath; thorax densely punctured, clothed with a 

 dense yellow-ochraceous pubescence, longer and paler on metathorax and 

 pleura; tegulse honey-yellow; wings short, hyaline, nervures and stigma 

 blackish; legs clothed with ochraeeous pubescence, long and dense on [»os- 

 terior tibise and tarsi, apex of the latter pale ferruginous; abdomen shining at 

 base, finely punctured, first segment clothed at base with long ochraeeous pu- 

 bescence, the second and three following segments with very short yellowish- 

 brown pubescence, pale in certain lights and longer on the sides, apical mar- 

 gin of these segments with a rather broad band of short dense appressed pale 

 ochraeeous pubescence, in some specimens, where the segments are more dis- 

 tended, the third and fourth segments have each a narrow band of pubescence 

 of same color at base, apical segment with longer dense ochraeeous pubescence, 

 the disk broad and flat, rapidly narrowed to apex which is rounded; ventral 

 segments with a band of dense yellowish-ochraceous pubescence. Length .45 

 inch. 



Five specimens. (Belfrage.) Bather smaller than enavata, with 

 longer antennae, punctured head and thorax, and differently ornamented 

 abdomen, with the disk of the apical segment much broader and 

 rounded at apex. 



IHelissodes pennsylvaniea. 



Macrocera pennsT/lvanica, St. Farg. Hym. ii., p. 97. 

 Four % 9 specimens. (Belfrage.) 



