The Shipley Collection of Scientific Papers, Том 1641833 |
Из књиге
Резултати 1-3 од 33
Страница 70
... genus Merodon may be distinguished by the presence of a strong tooth - like process below the tip of the hind thigh . They are covered with a dense hairy clothing , and the wings are short and rounded . Merodon equestris is about 12 mm ...
... genus Merodon may be distinguished by the presence of a strong tooth - like process below the tip of the hind thigh . They are covered with a dense hairy clothing , and the wings are short and rounded . Merodon equestris is about 12 mm ...
Страница 12
... genus Lygœonematus of Konow1 , although the characters differentiating this genus from Pachynematus do not appear to be very great . It has also been included in the genus Holocneme . Marlatt has also included Cresson's Nematus ...
... genus Lygœonematus of Konow1 , although the characters differentiating this genus from Pachynematus do not appear to be very great . It has also been included in the genus Holocneme . Marlatt has also included Cresson's Nematus ...
Страница 128
... genus Pelorempis , though agreeing with Sayomyia and Corethra in the form of the proboscis , resembles the Culicinae in possessing scales to the wings . The larva , moreover , as has already been pointed out , greatly differs from those ...
... genus Pelorempis , though agreeing with Sayomyia and Corethra in the form of the proboscis , resembles the Culicinae in possessing scales to the wings . The larva , moreover , as has already been pointed out , greatly differs from those ...
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