Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . :nid^ Leach. The species of this small group differfrom the Pselaphidm to Avhich they are closely allied by theirlong elj^tra and distant conical posterior coxae. They are mi- 440 COLEOPTEKA. nute, oval, brown, shiny insects found under stones near water,under bark and in ants nests. Scydmoinus is the typical genus. PsELAPHiD^ MacLeay. In this group the labial palpi arevery small, while the four-jointed maxillary palpi are of re-markable l
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . :nid^ Leach. The species of this small group differfrom the Pselaphidm to Avhich they are closely allied by theirlong elj^tra and distant conical posterior coxae. They are mi- 440 COLEOPTEKA. nute, oval, brown, shiny insects found under stones near water,under bark and in ants nests. Scydmoinus is the typical genus. PsELAPHiD^ MacLeay. In this group the labial palpi arevery small, while the four-jointed maxillary palpi are of re-markable length ; the eyes are composed of large lenses, andare sometimes wanting ; the elytra are short, truncated, beneathwhich the wings, when present, are folded and the legs arelong and the femora are stout, while beyond the leg is usuallyslender. The species are very small, not exceeding one-eighth of an inch in length, and are of a chestnut-brown color,usually slightly pulieseent; the head and thorax are most fre-quently narrower than the elytra and abdomen, which is con-vex and usually obtuse at tip. Many are found flying intwilight; their habi
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
