flEMIPTERA OF COLORADO. 
123 
munis (Cowen). 
Hyalopteris priuii Fab. 
Hotchkiss, July 6th, on plum and prune (Cowen). 
Siphocoryne xantliii Oestl. 
Hotchkiss, July 26th, on underside of leaves of Xanthium 
canadense( Cowen). 
Myzns ribis L. 
Fort Collins, July 9th, on leaves and young shoots of Ribes 
aureum (Cowen). 
Rhopalosiphuni dianthi Schrank, 
^ c°^ e g e greenhouse, February 21st, on leaves and stems 
ot Calla Lily (Cowen). 
Rhopalosiphum nymphaeae L.* ? 
‘Winged viviparous female: Length 2.20 mm. Length of wing 3.10 mm. Head and 
numerous irreeu?° men hghter ' Antennae on short frontal tubercles, third joint with 
IV 0 i mm RenT TTn “° sensorla on tlie fourth joint, length of joints III 0.30 mm., 
V 0.24 mm Beak about 0.5o mm. long. Lateral tubercle of pronotum small Sti-ma 
the foe* o V f the ^ tbe ^ Se ° f °’ e s,igmatal vein - The se <=ond branch of the cubital wear 
about J (bri°in m^long.” “• lon * *>»<* *“*>« “lavate. 0.311 „,n>. l„„ g . style 
F ® rfc Collins - September 15th, on Sagittaria variabilis 
( akei). This species is doubtfully referred to R. nym- 
phaeae, as a description of that species is not accessible. 
biectarophora artemisiae Cowen n. sp.* 
thorax black Tbdn female ; Len gth 2 mm. Wing about 3.10 mm. long. Head and 
’Jsomewhat lighter with the upper dorsum marked with four 
Ion- thHd t VS °i aC SP ° tS ‘ Antennae on distinct frontal tubercles, about 2.90 mm. 
V 0*50 mm vrYl- Sma11 sensoria ’ len » th of J oints 11 I 0-65 mm., IV 0.55 mm., 
arched <Ar„ . ’- 16 mm -> vn °-80 to 0.90 mm. Beak about reaching third coxae. Thorax 
. >- ‘«ma dark, elongate. Honey tubes 0.55 mm. long. Style 0.20 mm. Ion-and 
curved upwards. Tarsi 0.20 mm. loug.” ° ana 
Estes Park, July 19th, on Artemisia tridentata (Gillette). 
More Aphis-like than most members of this genus. 
Nectaropliora asclepiadis Cowen n. sp. 
Winged viviparous female: Length 3.20 mm., to the tip of the style. Length of wing 
..) mm. ead, protliorax, abdomen, and style uniform green. Mesothorax yellow 
appendages mostly dusky. Eyes brown black. Antennae longer than the body, third 
joint w ith about ten or twelve sensora in one row, length of joints III 0.90 mm., IV 0 85 mm., 
civ.', m ?’ VH hl ° mm - Beak black «PPed, hardly reaching the second 
coxae, about O.oO mm. long. Honey tubes about 0.80 mm. long. Style long cylindrical. 
pter-.us viviparous female: Length 3 mm., to the tip of the style. Uniformly green, 
eyes brownish-black, honey tubes and style of the same color as the abdomen. Antennae 
^Description from alcoholic materal. 
