1865.] 471 



scutellurn, and a transverse line at base of metathorax, black ; the pos- 

 terior angles of the latter are deeper yellowish, clothed with a fine hoary 

 pubescence and divided from the rest of the metathorax by a narrow 

 black line along the sutures ; tubercles with a cuneiform dusky mark 

 anteriorly; tegulae yellowish. Wings hyaline, nervures brownish. Legs 

 yellow ; a black spot on each of the four posterior coxae beneath ; tips 

 of the tarsi dusky. Abdomen oblong, subparallel, yellowish-white, 

 slightly tinged with greenish, faintly iridescent; first segment black at 

 base, extending into a deep rounded emargination on the disk posteri- 

 orly to about the middle of the segment; basal margins of the second 

 and three following segments narrowly black, extending posteriorly into 

 two more or less deep emarginations, one on each side of the middle, 

 those on the second segment deeper, more approximated and oblique ; 

 apical segment with the basal corners and a dot on the basal middle 

 also black ; beneath black, the four basal segments each with a wavy 

 pale yellowish fascia, much the broadest on the second segment; fifth 

 segment with a small yellowish spot on each apical corner ; apical seg- 

 ment with a large subcordate yellowish spot at tip. Length 8 2 lines ; 

 expanse of wings 13 lines. 



One specimen. A beautiful species, easily distinguished by the color 

 being mostly yellowish, and by the large U-shaped mark on the meso- 

 thorax. 



l. Monedula pulehella. 11. sp. 



Black: orbits, angular mark on vertex, clypeus, labrura, mandibles, protho- 

 rax, sides and two short lines on mesothorax, most of pleura, scutellums, meta- 

 thorax in part, legs, and broad emarginate bands on abdomen, yellow; wings 

 hyaline. 



Female. — Black, slightly pubescent; the orbits, not reaching the 

 summit anteriorly, an angular line in front of ocelli, a spot between 

 the antennae, clypeus, labrum, and mandibles except tips, yellowish ; 

 the face and clypeus have a silvery reflection in certain lights; antennae 

 brown above, scape yellow beneath, the flagellum fulvous beneath. 

 Thorax black ; most of prothorax, lateral margins and two elongate 

 acute spots on the anterior middle of mesothorax, tubercles, pleura 

 except an oblong, oblique, black spot beneath, the scutellurn and post- 

 scutellum except basal margins, yellow ; metathorax yellow with a 

 broad transverse mark at base, and an oblique line on each side divid- 

 ing the posterior angles from the dorsal portion, black ; tegulae yellow- 

 ish. Wings hyaline, nervures brown. Legs yellow; the trochanters 

 above and a line on the femora above at base, black ; tarsi tinged with 

 fulvous at tips. Abdomen black, shining; each segment with a broad. 



