The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 104
... head - capsule , and their points of origin coincide with certain sym- metrical patches of pigment situated on the surface of the head . Each pair passes forwards to be inserted into the base of the brush of its side . The external ...
... head - capsule , and their points of origin coincide with certain sym- metrical patches of pigment situated on the surface of the head . Each pair passes forwards to be inserted into the base of the brush of its side . The external ...
Страница 3
... head are shown in Plate I , Fig . 1 , and Plate V , Fig . 63 0 . Its gaster is black and shining , the mandibles and clypeus are dark brown , the remainder of the head , thorax and appendages reddish brown . ure . The head is subopaque ...
... head are shown in Plate I , Fig . 1 , and Plate V , Fig . 63 0 . Its gaster is black and shining , the mandibles and clypeus are dark brown , the remainder of the head , thorax and appendages reddish brown . ure . The head is subopaque ...
Страница 25
... head are unable to acquire their normal proportions . Hence the char- acteristic narrowing in the posterior region of the head . " The explanation of the appearance of the ocelli and the greater devel- opment of the eyes in the ...
... head are unable to acquire their normal proportions . Hence the char- acteristic narrowing in the posterior region of the head . " The explanation of the appearance of the ocelli and the greater devel- opment of the eyes in the ...
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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