. Economic entomology. Beneficial insects; Insect pests; Thysanura. BIRD LOUSE MITES. 329 CASE Dermaleichus pici majoris {BtickhoJz). From the greater woodpecker.— ^^- 20. Magnified sketch of male; 21. Ditto of female. Copied from 20, 21. Buckholz's figures. No. 22. Dermaleichus chelopus {Herm. ; D. passerinus, JiToc/i). From the sparrow.—22. Magnified sketch of 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 Murray,

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. Economic entomology. Beneficial insects; Insect pests; Thysanura. BIRD LOUSE MITES. 329 CASE Dermaleichus pici majoris {BtickhoJz). From the greater woodpecker.— ^^- 20. Magnified sketch of male; 21. Ditto of female. Copied from 20, 21. Buckholz's figures. No. 22. Dermaleichus chelopus {Herm. ; D. passerinus, JiToc/i). From the sparrow.—22. Magnified sketch of 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 Murray, Andrew, 1812-1878. [London] Chapman and Hall

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