Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . Fig. 273.—Pine Lachnus. A head and beak, lb labrum, m mandibles; a, larva, male; 6, female, bodyfilled with eggs; c, papa (yellowish); g, odoriferous gland; h, orifice of the honey-tube —GisslerdeJ. 143. The white pine schizoneura. Schizoneura pinicola Thomas. Order Hemiptera ; family Aphid^e. Feeding on the tender shoots of the young white pines in Illinois, their presenceindicated by slender snow-white silky webs, and usually cover
Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . Fig. 273.—Pine Lachnus. A head and beak, lb labrum, m mandibles; a, larva, male; 6, female, bodyfilled with eggs; c, papa (yellowish); g, odoriferous gland; h, orifice of the honey-tube —GisslerdeJ. 143. The white pine schizoneura. Schizoneura pinicola Thomas. Order Hemiptera ; family Aphid^e. Feeding on the tender shoots of the young white pines in Illinois, their presenceindicated by slender snow-white silky webs, and usually covered with a clear white>cottony secretion which appears to shoot out from the body in little ribbon-like flakes;the insects pale green. (Thomas.) PINE SCALE-INSECTS. 805 144. Paylla tripuncta Riley. A pretty reddish or pale brown species; spun on leaves April 4, 1883 ; wings withthree broad brown stripes; an oblique stripe in middle of wing. Professor Riley states that Psylla tripuncta is very common on pinetrees from Canada to Florida (Amer. Ent., fig. 17, p. 62). 145. Pine-leaf pinifoliw Fitch. Order Hemiptera ; family Aphid^. Statio
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