How to Know the BeetlesDescribes the physical characteristics, habits and habitats of 1500 species of beetles. |
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Page 27
... abdomen or if short , the wings are not folded at rest or are absent ; upper part of some of the abdominal segments membranous . ............. 34 24a ( 23 ) Abdomen not flexible , very much wider than the prothorax , swollen , oval ...
... abdomen or if short , the wings are not folded at rest or are absent ; upper part of some of the abdominal segments membranous . ............. 34 24a ( 23 ) Abdomen not flexible , very much wider than the prothorax , swollen , oval ...
Page 30
... Abdomen with 7-8 visible ventral segments . Fig . 60a . ...... 50 35b Abdomen with less than 7 ventral seg- ments . Fig . 60b .............. ......... 36 Hind Leg 6 5 Femur Hind Leg Thorax 2 1 3 2 4 3 34a ( 23 ) Small , oval , convex ...
... Abdomen with 7-8 visible ventral segments . Fig . 60a . ...... 50 35b Abdomen with less than 7 ventral seg- ments . Fig . 60b .............. ......... 36 Hind Leg 6 5 Femur Hind Leg Thorax 2 1 3 2 4 3 34a ( 23 ) Small , oval , convex ...
Page 135
... abdomen ; thorax widest in front of middle . This large genus numbers more than 150 American species . Several ... Abdomen as wide at base as ely- tra , punctate . Stictocranius puncticeps Lec . has no mar- gin on the abdomen . It ...
... abdomen ; thorax widest in front of middle . This large genus numbers more than 150 American species . Several ... Abdomen as wide at base as ely- tra , punctate . Stictocranius puncticeps Lec . has no mar- gin on the abdomen . It ...
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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Common terms and phrases
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