. British insects : a familiar description of the form, structure, habits, and transformations of insects. orked or branched;the mouth is very imperfect, if even at all adapted to thereception of food ; and the feet are without claws. The females never acquire wings, and never leave thebody of the bee or wasp in which they and the larvse,whether male or female, are parasitic, swarming sometimes(according to Mr. F. Smith) to the number of 200 or300. It appears, however, that their presence is not, asin the case of other insect parasites, actually fatal, livingbees and wasps being frequently obs
. British insects : a familiar description of the form, structure, habits, and transformations of insects. orked or branched;the mouth is very imperfect, if even at all adapted to thereception of food ; and the feet are without claws. The females never acquire wings, and never leave thebody of the bee or wasp in which they and the larvse,whether male or female, are parasitic, swarming sometimes(according to Mr. F. Smith) to the number of 200 or300. It appears, however, that their presence is not, asin the case of other insect parasites, actually fatal, livingbees and wasps being frequently observed with the exu-viae of the perfected Stylops remaining in their bodies,but it is supposed that they destroy the internal organsand render the insects abortive. The parasite is buried up to its head in the body ofpj^ ^j the bee, which is usually much swollen, and this head beingflattened in shape has some-thing of the appearance of anacarus attached to the beebetween the segments of the Andrena. ^j^^^^ ^^^ ^^^^ ^^^ ^^^^^ the eggs are laid, is a mystery which remains to be 103 TABLE OF COLEOPTERA. SECTION I.—PENTAMERA.—Tarsz, five-jointed. Antennas long and slender.*Maxillae with two predaceous. SUBSECTION I.—ADEPHAGA (Ravenous Beetles). I. Geodephaga (Land Ravenous Beetles). Legs formed for running. 1. Maxillas ending in a moveable —Cicindela {Tiger Beetle). 2. Maxillas not ending in a moveable —Brachinus {Bombardier). Carabus. n. Hydradephaga (Water Ravenous Beetles). Legs formed for swimming. 1. Front legs short, antennge long. Fore tarsi of male sometimes forming a — 2. Front legs long. Antennae short. Four hind legs greatly —Gyrinus (]Vhirligig). Except Gyrinus. 104 INSECTS. SUBSECTION II.—RHYPOPHAGA (Filth-eaters). Antennae more or less clavate. Tarsi of male with basiil joints usually dilated. Habits chiefly scavenger-like. I. Philhydrida (Water lovers). Hind leg
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