How to Know the BeetlesDescribes the physical characteristics, habits and habitats of 1500 species of beetles. |
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Page 201
... eastern half of our coun- try . There are about 70 species of this genus in the U. S. and Can . lla ( 5 ) Antennal grooves large , front convex and turned down in front . 13 1lb Antennal grooves small ; front concave or flattened . 12 ...
... eastern half of our coun- try . There are about 70 species of this genus in the U. S. and Can . lla ( 5 ) Antennal grooves large , front convex and turned down in front . 13 1lb Antennal grooves small ; front concave or flattened . 12 ...
Page 310
... eastern half of U. S. to Tex . 41b Not as in 41a . 42 42a ( 41 ) Front coxal cavities rounded , mid- dle cavities closed ( or nearly so ) . 43 42b Front coxal cavities angulate ; middle cavities open behind . ........ 47 43a ( 42 ) ...
... eastern half of U. S. to Tex . 41b Not as in 41a . 42 42a ( 41 ) Front coxal cavities rounded , mid- dle cavities closed ( or nearly so ) . 43 42b Front coxal cavities angulate ; middle cavities open behind . ........ 47 43a ( 42 ) ...
Page 311
... Eastern half United States and Canada . Robust . Blackish - brown , marked as shown with short prostrate grayish hairs . Five blunt tubercles on disk of thorax . Common . ( b ) Amniscus sexguttatus ( Say ) LENGTH : 7-10 mm . RANGE : Eastern ...
... Eastern half United States and Canada . Robust . Blackish - brown , marked as shown with short prostrate grayish hairs . Five blunt tubercles on disk of thorax . Common . ( b ) Amniscus sexguttatus ( Say ) LENGTH : 7-10 mm . RANGE : Eastern ...
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 Canada Central and Eastern claws coarse punctures color common convex covered coxae 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 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