Directions for collecting and preserving insects . FlG- 7fi-Tlie Beabu« ^canthia adult— enlarged. a, young;. Fie;. 77.—The Short-nosed Ox-louse (Htfinatopiniis eurytsternux). a, female; b, rostrum; c, ventralsurface, last segments of male; d, female; e, egg; /, surface of egg greatly enlarged. lowest representatives of the order, may be obtained from the domesticand wild animals which they infest. COLLECTING DIPTERA. Most Diptera frequent flowers and may be collected with a sweepingnet without much difficulty. The best season is from April to June,and the bloom of the Willow, Alder, Plum, Cher
Directions for collecting and preserving insects . FlG- 7fi-Tlie Beabu« ^canthia adult— enlarged. a, young;. Fie;. 77.—The Short-nosed Ox-louse (Htfinatopiniis eurytsternux). a, female; b, rostrum; c, ventralsurface, last segments of male; d, female; e, egg; /, surface of egg greatly enlarged. lowest representatives of the order, may be obtained from the domesticand wild animals which they infest. COLLECTING DIPTERA. Most Diptera frequent flowers and may be collected with a sweepingnet without much difficulty. The best season is from April to June,and the bloom of the Willow, Alder, Plum, Cherry, Dogwood, Blackberry, etc., will ordinarily yield a bountiful supply of specimens andspecies. Parasitic and saprophytic forms may also readily be obtainedby breeding, the former as in the case of the parasitic Hymenoptera, andthe latter from decaying vegetable matter and fungi. The IHptera BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [f)G] require the most delicate treatment, and the greatest care must beexercised both iu collecting and handling. A light sweep net is the best implement for collectin
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Keywords: ., bookauthorrileycha, bookcentury1800, bookdecade1890, bookyear1892
