348 APHIDS OF THE ROCKY MOUNTAIN REGION 
Fundatrix. Pale yellow; head and appendages blackish. Body length 1.5-2; hind tibia 
.23-.29; hind tarsal II .04-.06, I united with II; antenna .20; rostrum attaining 2d coxa. Her 
young are heavily covered with fluffy white secretion. 
Apterous Summer Vivipara. (On elm in gall), body length 1.7; antenna .20, six-seg- 
mented, III .03, IV .02-.04, V .02-.04, VI .04+.01; hind tibia .22; cornicle lacking. (On 
grass), dull sordid yellow without markings except, especially in nymph, a narrow sharply 
defined white median dorsal line on head and thorax. Body length 1.5-1.8; hind tibia .15-.20; 
hind tarsal II .04-.06; antenna .17; rostrum attaining between lst and 2d coxae. Tarsal I in- 
distinct. 
Alate Vivipara. Head and thorax black; prothorax and abdomen green to yellow-brown 
or black; legs dusky; antenna black. Body length 1-1.6; hind tibia .35-.50; hind tarsal II 
.08-.10; antenna .40-.50; rostrum attaining between Ist and 2d coxae. Cornicle lacking. Cauda 
minute, semilunar. Hairs inconspicuous. Fore wing with media usually simple but occa- 
sionally once-forked. 
Fund. R TES 
Ges (03 ~.04) ons 
Funda Tigenia 
SIU) 
PPD MA con 
we 09" 
-. . (.05-.08) (07-.08) 04 -.0. 
Ut ee oer eatsern 9 BN ge LP Yep oon } 
(M edia o ceas(onedly 
once- forked) 
Fig. 417. Colopha ulmicola 
Collecticns. As winter host in cockscomb galls on leaves of Ulmus ameri- 
cana; as summer host on leaves of rice cut-grass (Leersia oryzoides). Colorado: 
Boulder, Holyoke and Fort Collins. Fundatrices on winter host June 8 to July 
3, apterous summer viviparae in galls (very scarce) July 3 and on grass July 22 
to Sept. 18, alate viviparae on elm June 12 to July 23 and on grass Sept. 1 to 
29, rather common. 
Colopha ulmisacculi (Patch) 
Tetraneura ulmisacculi Patch, 1910b:216; Gillette and Palmer, 1934:215. 
Tetraneura ulmifoliae Baker, 1920a:68 (n.n. for Aphis ulmi Geoffroy which is preoc- 
cupied). 
Fundatrix. Newly Hatched. Deep black. Adult. Dark green, mottled, head and pro- 
thorax brown; slightly powdery; appendages dusky. Body length 2.1; hind tibia .30; hind 
tarsal II .07; antenna .25, four-segmented; rostral IV+V .09 surpassing 2d coxa. 
Hibernating Vivipara. Flesh-ochre to pinkish cinnamon, lighter yellowish laterally; 
brown on head; appendages slightly brownish. Body length 2.5; hind tibia .40; hind tarsal II 
-10; antenna five- or six-segmented, .45-.56; rostral IV+ V .23; surpassing 2d coxa. Cornicle 
distinct, on mammiform base. Tarsal I and II entirely coalesced. Hairs very sparse, short 
and drooping. wax glands on abdomen Tip of Abdomen 
ade a mses 
ah (Dawe C3 
Q ] td, Wrgogerig on Crass Roots 
fry Ta is > AP 
1S. (.06=/0) ¢0 (16) (:06) +02) Sh 
¢ v = La : wis 
09, ae (05) tod AR 
Fund. tri .., (sen. 2-4) (sena—i)  § 
jena MT POG UIDLE 
19) G08-./0) (.14¢-,25) 
Fig. 418. Colopha ulmisacculi 
(.23-.29) (Sen /0- 
Alate Vivipara. Fundatrigenia. Head and thorax dull black; abdomen dark brownish 
green; appendages sordid ochre. Body length 2.1; wing 2.5; hind tibia .50-.60; hind tarsal II 
-14; antenna .65-.85; rostral IV-+V .15, not attaining 2d coxa. Cauda rounded, bearing 2 long 
hairs. Cornicle mere rim on slightly raised base. Fore wing with media usually simple rarely 
once-forked; hind wing with one cross-vein. Sexupara. Same except rostral IV+V .20. 
Ovipara. Apterous. Honey-yellow to cinnamon-yellow; appendages pale yellowish. Body 
length .84; antenna .13, three- or four-segmented; hind tibia .12; hind tarsal II .03; tarsal I 
and II completely coalesced, tip of II bearing a pair of capitate hairs. Rostrum missing. 
Male. Apterous. Dark brownish green, pale anteriorly on thorax and head; appendages 
pale. Body length .51; antenna .10, four-segmented; hind tibia .10. Rostrum missing. 
