Elementary entomology . elementaryento00sand Year: 1912 244 ELEMENTARY ENTOMOLOGY Suborder I. The Boring Hvmenoptera {Terebrantia) In the first suborder the females bear a well-developed ovipositor, with which the eggs are inserted into the food plant or host insect, and the trochanters of the hind-legs consist of two segments. 1. PLANT-EATING HVMENOPTERA The first two families are distinguishable by the base of the ab- domen being broadly joined to the thorax, with no constriction at this point. The saw-flies {Tenthredinidae) are so called on account of the saw- like ovipositor. It is toothe


Elementary entomology . elementaryento00sand Year: 1912 244 ELEMENTARY ENTOMOLOGY Suborder I. The Boring Hvmenoptera {Terebrantia) In the first suborder the females bear a well-developed ovipositor, with which the eggs are inserted into the food plant or host insect, and the trochanters of the hind-legs consist of two segments. 1. PLANT-EATING HVMENOPTERA The first two families are distinguishable by the base of the ab- domen being broadly joined to the thorax, with no constriction at this point. The saw-flies {Tenthredinidae) are so called on account of the saw- like ovipositor. It is toothed at the tip, having a structure which enables the females to insert their eggs beneath the surface of leaves


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