OF WASHINGTON. 373 



5. Diommatus congrex Uhler. Entom. Americana, vol. 3, p. 



33- 



One specimen from the vicinity of Mill Creek, June 16. This 

 insect, hitherto known only from the eastern United States, adds 

 another interesting form to the long list which is increasing as the 

 western country is becoming investigated. 



6. Bolter ia picta. New sp. 



Pale yellow, polished, striped with black. Head narrower than in B. 

 amicta, and not so closely enclosing the front of pronotum as in that 

 species, the vertex marked with two large and broad, but short black stripes, 

 cheeks and exterior border of the tylus, as also rostrum and antennas, black, 

 the rostrum reaching to the middle coxae. Pronotum transverse, minutely 

 pubescent, moderately convex, strongly sloping anteriorly, the sides ob 

 lique, evenly bordered, the anterior submargin and the posterior border 

 black. Scutellum black, transversely impressed at base, lobate behind 

 this point, with an orange spot on each angle and at tip. Sternum black; 

 legs and coxae yellow, the tibial spines, long spots on the femora and the 

 tarsi blackish. Wing-covers pale yellow, with the inner margin, very 

 slender line on the outer border of the clavus, a gradually widening line 

 on the middle and a narrower one next the costal border and an ovate 

 spot on the cuneus shining black, the areole of base of membrane blackish, 

 membrane a little tinged with fuliginous, and with a darker streak run 

 ning back from the vein. Venter polished, black. 



Length to tip of abdomen $ 3, 9 3? tnillim ; width of base of prono 

 tum, 1-15 millim. 



Several specimens of this showy little insect were taken on 

 Artemisia tridentata at American Fork, June 22, 1891. 



It is a narrower and less robust form than B. amicta, and it 

 has the exterior margin of the corium a little more curved. 



7. Stiphrosoma croceipes. New sp. 



Narrower and smaller than 6". stygica Say. Highly polished, brilliant 

 bluish-black, with the apical half of the femora orange-yellow. Head con 

 vex between the eyes, exceptionally high polished, not apparently punc 

 tate ; antennas long and slender, dull black, with the basal joint orange- 

 yellow; rostrum piceous-black, reaching upon the middle coxa?; eyes 

 projecting laterally as wide as the base of pronotum. Pronotum strongly 

 convex, unevenly scabrous and punctate, with the callosities tumidly con 

 vex, and the anterior angles suborbicularly rounded, the lateral border 

 bent down. Scutellum convex, minutely wrinkled, remotely punctate. 

 Posterior tibiae, spines of all the tibiae, and all the tarsi piceous. Pleural 

 flaps coarsely, obsoletely punctate. Hemelytra finely polished, coarsely 

 punctate, the punctures more regular on the clavus, but obsolete on the 

 distended disk of the corium ; cuneus obsoletely punctate and feebly 

 wrinkled ; membrane smoke-brown, darker in the areole, and with a 



