. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 594 1XSECTA. Sub-order 1. — Terebrantia. Female with ovipositor as tube or borer (ferebra), which projects freely at the end of the abdomen, and is sometimes retractile. Tribe 1. Phytophaga. Abdomen sessile. Trochanter composed of two rings. Larva? phytophagous, resemble caterpillars. Fam. Tenthredinidae (Leaf- wasps). Saw-flies. Abdomen sessile with short borer. The larvae have rarely three, usually nine to eleven pairs of legs, and resemble caterpillars. The females lay their eggs in the
. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 594 1XSECTA. Sub-order 1. — Terebrantia. Female with ovipositor as tube or borer (ferebra), which projects freely at the end of the abdomen, and is sometimes retractile. Tribe 1. Phytophaga. Abdomen sessile. Trochanter composed of two rings. Larva? phytophagous, resemble caterpillars. Fam. Tenthredinidae (Leaf- wasps). Saw-flies. Abdomen sessile with short borer. The larvae have rarely three, usually nine to eleven pairs of legs, and resemble caterpillars. The females lay their eggs in the epidermis of leaves, the puncture causes the flow of .sap. which the egg imbibes and thereby increases in size. The young larva? feed on leaves, often in early stages live in societies, and become pupae in a cocoon. They are distinguished from the caterpillars by the greater number of legs, and by the two ocelli on the horny head. Lyda Ictulce L., Tenthredo (Atlialia) spinorum larva; sometimes on roses. Nematus ventricosus Klg., larvae on gooseberries. Cimlirj' femarata L. Fam. TTroceridae (\Yood-wasps). Abdomen with first tergum split, and usually long, freely projecting oviposi- tor (egg-borer). The females bore holes in wood and deposit their eggs therein. The larvae bore further into the wood and live a long time. Sirex i/ it/as L. _,. (ralllCOla. Ab- stalked. Larvae and aproctous,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. London, Swan Sonnenschein & co.
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