. Birds of other lands, reptiles, fishes, jointed animals and lower forms; . rrant, gooseberry, and pear, of which there areseveral species, measuring about half an inch across the wings. The commonest flies which laytheir eggs on the gooseberry and currant are yellow, with the head, antennae, and three long spotson the back black, and the wings transparent, with black veins. The grubs are bluish green, withtwenty legs, and numerous black dots ; and several may often be seen on one leaf. The best-knownof the Pear Saw-flies is black, with the wings transparent, except the veins; the grub is ver


. Birds of other lands, reptiles, fishes, jointed animals and lower forms; . rrant, gooseberry, and pear, of which there areseveral species, measuring about half an inch across the wings. The commonest flies which laytheir eggs on the gooseberry and currant are yellow, with the head, antennae, and three long spotson the back black, and the wings transparent, with black veins. The grubs are bluish green, withtwenty legs, and numerous black dots ; and several may often be seen on one leaf. The best-knownof the Pear Saw-flies is black, with the wings transparent, except the veins; the grub is verylike a slug, and is green or yellow, very slimy, with the front of the body much thickened. The Wood-wasps include only a few species, the grubs of which live in the stems ofplants, or in the solid wood of trees. One of the largest feeds on fir- or pine-trees, and thefly measures from half an inch to an inch and a half in length, and varies much in size, thoughthe male is generally much smaller than the female. The female is yellow, with two black bands, and a stout ovi-. /■*./« by Schi,laittt Phtte. Cb.] TREE-WASPS NEST Generally built in a thick bush positor half as long asthe abdomen. In themale the tip of the abdo-men is black, and ends ina rectangular point. Thewings are transparent,with yellow nervures. Next to these in-sects come the Gall-flies, mostof which pro-duceround gallson oaks;and in some species wemeet with a winglessbrood, living alternatelywith the winged broods,but at the roots of thetrees instead of in theopen air. The veiningof the wings is reducedto one or two veins;the antennae are ratherlong,and not angulated ;and the abdomen is 3o6 THE LIVING ANIMALS OF THE WORLD


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Keywords: ., bookcentury1900, bookdecad, booksubjectfishes, booksubjectzoology