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330 COLLEGE ENTOMOLOGY<br />

E<br />

FIG. 113. The woolly apple aphid, Eriosoma lanigerum (Hausmann). A, winged ovoviviparous<br />

female (sexupara); B, stem-mother (fundatrix); C, egg; D, wingless female (alienicola);<br />

E, male (sexual); F, nymph of fall migrant; G, oviparous female (sexual). (After Baker.<br />

U.S.D.A., 1915.)

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