The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 44
... color with a large tuft of white flocculence covering the posterior end of the body . The legs , antennæ , and spots on the top of the head are brown . The winged lice are a little larger , more elon- gated and much darker in color ...
... color with a large tuft of white flocculence covering the posterior end of the body . The legs , antennæ , and spots on the top of the head are brown . The winged lice are a little larger , more elon- gated and much darker in color ...
Страница 238
... color with well defined light spots on the wing covers and a distinct white spot on the hinder part of the thorax near the base of the wing covers . The eggs are very small ( 1.5 mm . long ) and deep yellow in color . The larvæ are ...
... color with well defined light spots on the wing covers and a distinct white spot on the hinder part of the thorax near the base of the wing covers . The eggs are very small ( 1.5 mm . long ) and deep yellow in color . The larvæ are ...
Страница 270
... color of the female is ochre ; compound eyes brown ; ocelli red ; antennæ yellow with tips black ; the tips of the feet black . The basal third of the fore wings are clear with the remainder clouded with brown ; the hind wings are clear ...
... color of the female is ochre ; compound eyes brown ; ocelli red ; antennæ yellow with tips black ; the tips of the feet black . The basal third of the fore wings are clear with the remainder clouded with brown ; the hind wings are clear ...
Чести термини и фразе
abdomen abdominal segment adult antennæ ants aphid Aphis Appearance apple arsenic attacked body breeding brood buds California caterpillars cells cent citrus cocoons colonies color Commissioner cornicles cyanide damage deposited destructive Distribution dorsal early eggs Entomologist erichsonii Essig Family feed femora flies foliage Food Plants fruit fumigation gallons genus green hatch head hibernate History horticultural host inch long infested instabilis ladybird beetle larch Larch Sawfly large numbers larva larvæ lateral leaves legs Linn louse maggots male mealy bug mermithergates mites mosquitoes moth muscles Natural Enemies nest numbers observations Orasema orchards ovipositor P. C. Jr parasites Paris green pest Pheidole plant lice Plate Polyederkrankheit pound pseudogynes pupa pupæ pupal pupate quarantine Raupen sawfly scale insects southern species specimens spiracles spray spring stage summer surface thorax thrips Throughout the entire trees usually ventral winged female winter workers yellow young