334 EDWARD NORTON. 



Massachusetts, (Harris' Coll.); Lake Superior, (Cambridge Mus.). 

 Two specimens. 



4. Lyda credita, n. sp. 



Black; spots at sides of antennse, mouth and venter, yellow white; wings hy- 

 aline. Length 0.40. Br. wings 0.80 inch. 



S . Shining black; abdomen of equal width from base to apex. An- 

 tennas black, the tip of each joint slenderly white, Brd joint not en- 

 larged, as long as 4th and 5th^ (joints beyond the 12th wanting); head 

 coarsely punctured, not pitted, tinted with blue; an indistinct dot at 

 summit of eyes within; a large square inner orbital spot on each side 

 of antennse, cheeks, nasus and mouth beneath, white; venter white, 

 with blackish spots at base of each segment; legs white, their cosse, 

 trochanters and femora above, black, the side spur on anterior tibiae 

 prostrate and so near the apex that its end reaches to it; tarsi long and 

 slender; inner claw tooth short and obtuse and removed from the tip; 

 wings faintly clouded, costa with a straight cross line back of the Y- 

 nervure, 2nd brachial cell without cross nervure. 

 Mexico. One S . 



5. Lyda bicolorata, n. sp. 



Black; head brown with black spots, abdomen, except at tip, yellow brown, 

 wings violaceous. 



9 . — Color blue black ; antenno3 black, slender, 34-jointed ; head 

 brown, sparsely punctured, a spot at base of each antenna, a triangular 

 spot above each eye, one about ocelli and a large spot on occiput, ex- 

 tending over back of head to neck, black; anterior angle brown; ab- 

 domen honey-yellow, except the two apical segments; legs black, ante- 

 rior tibial spine not reaching to tips; inner claw tooth between middle 

 and tip ; wings violaceous. 



Albany, N. Y. (Dr. Peck.) One 9 . 



6. L. tesselata. 



Lyda tesselata, Klug, Berl. Mag. ii, 1808,276, Tab. 7, fig, 4, 9 . Lepel. Men. 



Tenth. 10, 28. 

 Pamphilius iesselatus, Latr., Eucyc. No. 14. 



Lyda abdominalis, Norton, Proc. Eat. Soc. Phil. i. 1862, 199, 9 • 

 Black, with yellow crescents and spots on head and thorax; abdomen, ex- 

 cept at tip, rufous. Length 0.50. Br. wings 0.96 inch. 



9 . — Color black, the two basal joints of antennae black, tipped with 

 yellow, (remainder wanting. Klug says •' antennas luteous, the first 

 article spotted with black") ; two oval spots above ocelli, partly enclosed 

 by two crescents, which join on the occiput, two lines extending down- 

 ward on each outer edge of head to mandibles, two oval spots outside 

 of antenna3, and a transverse line on clypeus, white ; mandibles rufous. 



