ENTOMOLOGY OF COLORADO. 



365 



TETTIGONIN^. 



876. Proconia costalis Fab., Ula, Nov. 12; West Cliff, March 31. Also sub- 



alpine; and E. to New Jersey region (Smith). 



877. Tettigonia limbata Say. 

 877a. Diedrocephala moUipes Say. 



BYTHOSCOPIDiE. 



878. Bythoscopus clitellarius Say. 

 g79_ " sp., near West Cliff. 



88o". Idiocerus alternatus Fitch, West Cliff, July 31. Also high-alpine. Re- 

 corded rather doubtfully by Mr. Van Duzee from the Muskoka Lake 

 District, Canada. New Jersey region (Smith). 



880ft. Pachyopsis leetus Uhler. 



PSYLLID^. 

 APHALARIN^. 



881. Apbalara harrisii, near West Cliff. 

 ggo. " marginata Riley. 



APHIDID^. 

 APHIDIN^. 



883. Aphis brassicse L., on cabbage ; see 3d Rep. Colo. Biol. Asso'n. 



884. Siphonophora sp., on Gymnolomia mnltijlora, Cusack Ranch. 



885 Aphis (sens. Linn.) sp., dull bluish green, darkish on back, on Clematis 

 doiiglassii, Beddoes' Old Ranch. 



886. Aphis sp., bright scarlet, femora and tibifo pale brown, tarsi blackish, wings 



hyaline, on Riidbechia lacinintn, Beddoes' Old Rmch. 



887. Aphis sp., dull gray or dark sepia brown, rather elongated, on Echinosper- 



mum floribundum, below the Micawber. 

 888 Aphis sp., gray, wings hyaline, veins not darkened, on Gentiana hetero- 

 sepala, near Wolff's Cabin. 



889. Aphis sp., rather large, yellowish green, very shiny, tarsi black or blackish, 



on Eriqeron glabellus var. mollis, near Smith's Park. 



890. Aphis sp.. dark brown, younger ones dark gray with darker legs, on Arabis, 



near Smith's Park. 



891. Aphis sp., green, femora partly black, on Arabis, above Smith's Park. 



892. " sp., small, dark gray or black, crowded on underside of leaves of 



Salix, near West Cliff. 



893. Aphis sp.. black, wings hyaline, young gray, on undersides of leaves of 



Cornus stolonifera. Willow Creek. 



894. Aphis sp., dull brownish-vinous, head bluish gray, on underside of leaf of 



Lonicera involncrata. Willow Creek. 



895. Aphis sp., smallish, oval, wings hyaline, slightly grayish, body dark lead 



gray, tibise and basal half of antenuaj very pale yellowish, in vast 

 numbers on the leaves of Veratrum caUforniciun, Willow Creek. 



896. Aphis (sens. Linn.) sp., dull scarlet, legs and antennae blackish, but basal 



half of femora pale yellowish; one that had just cast its skin had 

 legs and antenna entirely pale yellowish, cast skin whitish, with dark 

 legs and antennae; on involucre of Solidago, Willow Creek. 



TRANS. AM. ENT. SOC. XX. DECEMBER, 1893. 



