Directions for collecting and preserving insects . [5f>] COLLECTING AND PRESERVING INSECTS RILEY. the most part stationary, being fixed to the plant by the protecting,waxy, excretion or scale, The Flea-lice (PsylUdcv) frequently producegalls, and these should always be collected with the insect species do not pro-duce galls, and may be col-lected by sweeping. The Hackberry is infested by / \large numbers of species of 1 s vllids, and these produce a great variety of interest- ing galls. The Aleurodida^ (Fringe-scales) are delicate insects, and easily injured in the taking; t

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Directions for collecting and preserving insects . [5f>] COLLECTING AND PRESERVING INSECTS RILEY. the most part stationary, being fixed to the plant by the protecting,waxy, excretion or scale, The Flea-lice (PsylUdcv) frequently producegalls, and these should always be collected with the insect species do not pro-duce galls, and may be col-lected by sweeping. The Hackberry is infested by / \large numbers of species of 1 s vllids, and these produce a great variety of interest- ing galls. The Aleurodida^ (Fringe-scales) are delicate insects, and easily injured in the taking; they are therefore best reared from their stationary and fringed larvae and pup*, which oc- cur on the leaves of many plants. Leaves bearing the latter should also be collected and pinned or preserved in alcohol. The Parasita, the. FlG- 7fi-Tlie Beabu« ^canthia adult— enlarged. a, young;

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Keywords: ., bookauthorrileycha, bookcentury1800, bookdecade1890, bookyear1892