How to Know the BeetlesDescribes the physical characteristics, habits and habitats of 1500 species of beetles. |
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Page 5
... known that in some species , at least , the elytra take some part in the flight . It is also known that beetles with the elytra removed cannot fly . A considerable number of beetle species lack flying wings . These flightless bee- tles ...
... known that in some species , at least , the elytra take some part in the flight . It is also known that beetles with the elytra removed cannot fly . A considerable number of beetle species lack flying wings . These flightless bee- tles ...
Page 348
... known as the " Mexican Bean Weevil " and while originally a pest of the black and red Mexican beans it seems to thrive on beans of any variety and breeds con- tinuously . The figure shows a bean with six eggs and two emergence holes ...
... known as the " Mexican Bean Weevil " and while originally a pest of the black and red Mexican beans it seems to thrive on beans of any variety and breeds con- tinuously . The figure shows a bean with six eggs and two emergence holes ...
Page 371
... known as the " Lesser Clover Leaf Weevil . " ( b ) H. postica ( Gyll . ) . Alfalfa Weevil LENGTH : 3-5 mm . RANGE : introduced from Europe , abundant over much of U. S. Pale brownish to black with design of scales and hairs as pictured ...
... known as the " Lesser Clover Leaf Weevil . " ( b ) H. postica ( Gyll . ) . Alfalfa Weevil LENGTH : 3-5 mm . RANGE : introduced from Europe , abundant over much of U. S. Pale brownish to black with design of scales and hairs as pictured ...
Contents
Use of the PicturedKey | 19 |
PicturedKey to the Genera and Species of Some Common Beetles | 61 |
General References | 395 |
Copyright | |
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abdomen adults antennae antennae and legs apex apical bark basal base beak beetles blackish Blister Beetle bronze brownish brownish-yellow Central and Eastern claws Clypeus coarse punctures color common convex covered coxal cavities coxal plates dark brown dark reddish-brown densely dorsal dull yellow Eastern half United Eastern U. S. Eastern United elongate elytra elytral striae elytron eyes feed femora flattened front coxae front tibiae fungi genus gray green groove hairs half of United head and thorax Hind coxae hind tibiae Horn insects labrum larvae last segment legs and antennae LENGTH lobed male mandibles marked as pictured maxillary palpi Melsh Mentum metathorax middle oval paler pest piceous pronotum Prosternum prothorax pubescence pygidium RANGE reddish reddish-yellow ridges scutellum shining black side slender species striae suture tarsi tennae thorax thorax and elytra tibiae tles tooth tured U. S. and Canada usually Weevil wholly black yellowish