. The Acarina or mites. A review of the group for the use of economic entomologists. Mites. 44 REPORT 108, U. S. DEPARTMENT OF AGRICULTURE. of which are still undescribed. Kolenati's genera Otonyssiis and Peplonyssus, para- sitic on bats, appear to be larval trombidions. Many of the European larvae have lately been described as new species, but it is a very undesirable practice. Oudemans ^ given the characters of the two groups of Trombidion larvae as follows: 1. Two median dorsal shields Allotrombiini'. But one median dorsal shield Trombidivin. Several of our trombidions are very common,
. The Acarina or mites. A review of the group for the use of economic entomologists. Mites. 44 REPORT 108, U. S. DEPARTMENT OF AGRICULTURE. of which are still undescribed. Kolenati's genera Otonyssiis and Peplonyssus, para- sitic on bats, appear to be larval trombidions. Many of the European larvae have lately been described as new species, but it is a very undesirable practice. Oudemans ^ given the characters of the two groups of Trombidion larvae as follows: 1. Two median dorsal shields Allotrombiini'. But one median dorsal shield Trombidivin. Several of our trombidions are very common, and T. sericeum Say is often seen cra^l- ing about in early spring, its bright red color and silky vestiture attracting the atter. 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 Banks, Nathan, b. 1868; United States. Department of Agriculture. Washington, D. C. : G. P. O.
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