. Common Illinois insects : and why they are interesting. Insects -- Illinois. 19. Hairy grub of Carpet Beetle ( Anthre- nus scrophulariae) cats woolen fabrics. This European insect first became a pest in U. S. in 1874. Pin-head sized adult beetle feeds on the pollen of flowers. (3 Ox; Archenemv of mankind among insects, grasshoppers have caused serious crop damage from ancient to modern times. Differential â 'hopper" i Melanopus difter- ?ntialis). is one of largest harmful species in State. ( Life size i Cockroaches are probably the most unpopular of all insect pests since they contamina
. Common Illinois insects : and why they are interesting. Insects -- Illinois. 19. Hairy grub of Carpet Beetle ( Anthre- nus scrophulariae) cats woolen fabrics. This European insect first became a pest in U. S. in 1874. Pin-head sized adult beetle feeds on the pollen of flowers. (3 Ox; Archenemv of mankind among insects, grasshoppers have caused serious crop damage from ancient to modern times. Differential â 'hopper" i Melanopus difter- ?ntialis). is one of largest harmful species in State. ( Life size i Cockroaches are probably the most unpopular of all insect pests since they contaminate food and produce an unpleasant odor. The natural home of all roaches is in or near the tropics. The five or common species vrould probably not be pests if their northward range had not been extended bv heated houses and other Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wright, A. Gilbert (Arthur Gilbert), 1909-. Springfield, Il. : Dept. of Registration and Education
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