1«I 



V EUHAGENA NFBRASK.^. n. Sp. 



Antennae, thorax and abdomen deep velvety black. Thorax 

 with white scales at the sides. Abdomen with the posterior edges 

 of the segments with clear white bands, extending in nearly all the 

 segments entirely around. Anal tuft with white scales. Tibiae 

 black at their base, the hind pair with long whitish hairs inter- 

 mixed. Tarsi, unclothed, black, with minute white scales. Fore- 

 wings rich dark orange, black at the base, along the costa, and 

 narrowly so on the internal margin. Discal mark large, black, tri- 

 angular. Fringes long, blackish brown. Hind wings, also, rich 

 •dark orange, the abdominal margin broadly black, and the ovate 

 discal spot, also black. The course of the nervules in both wings 

 is indicated by black scales. Fringe broad, blackish brown. 



Exp. wings. 32 m.m. 



I $. Nebraska. (Mr. Austin). 



Type. Coll. Cambridge Museum. 



A very remarkable form, differing greatly from any other with 

 which I am acquainted 



BEMBECIA SEQUOL'E. n. sp. 



$. Forewings with the margins all black, the costal rather 

 broad. Hind wings with costal margin, and base of the abdom- 

 inal pale yellow. Beneath, the forewings have the margins lemon 

 yellow, as far as the discal mark, beyond this, black. Hind wings 

 as on the upper side. Head and antennae jet black. Palpi lemon 

 yellow, black at the sides. Fore femora, orbits of eyes and base 

 of wings beneath lemon yellow. Middle and hind femora black. 

 Tibiae, lemon yellow, bordered with black. Thorax with collar, 

 tegulse, two narrow dorsal lines, and a basal line, lemon yellow. 

 Abdomen with all the segments, except the fourth, narrowly bor- 

 dered with rich lemon yellow. Caudal tutt, yellow below, blackish 

 above. 



?. Similar to the $ , but a little larger and more robust, the 

 abdominal band broader and better defined. 



Exp. wings $. 24 m.m. ?. 30 m.m. 



8 5.6?. Mendocino Co., Calif. (O. Baron). 



Very destructive to Sequoia sempervirens, as well as to some 

 species of Pimis. 



BEMBECIA SUPERBA. n. sp. -- ^^ ■ . - 



Nearly allied to B. seqiioicB, but more delicate than that 

 species. Fore wings with costal margin brownish black, the in- 

 ternal margin and discal mark flecked with golden scales. The 

 base and abdominal margin of hind wings are golden yellow. 

 Beneath, with the exception of the margin of hind wings, and the 

 posterior margin of fore wings, which are brown, the whole of the 

 wings are golden yellow. Head and antennae black, the latter 

 with yellow hairs at the base. Thorax with collar and rather 

 broad lateral and basal bands golden yellow. Abdomen black, 

 with second segment posteriorly, and fourth, fifth and sixth 



