AbstractsBiology & Animal Science

Morphology and ecology of the velvet-mite, Allothrombium Lerouxi Moss.

by Sachchida Nand. Mathur

Institution: McGill University
Department: Department of Entomology.
Degree: PhD
Year: 1964
Keywords: Entomology.; Velvet-mite.
Record ID: 1586394
Full text PDF: http://digitool.library.mcgill.ca/thesisfile116571.pdf


There are very few morphological and ecological studies On Acari. This neglect is partly due to the small aize and little known economic importance of the mites. Allothtrombium lerouxi Moss is a comparatively big red velvet mite, approximately 3mm. long, belonging to the family Trombidiidae of the order Acari. It is predatory in nature and feeds On all stages of a number of insects injurious to the apple crop as well as on dying or dead arthropods. In Quebec, the species is found in the orchard undercover throughout the growing season but is mainly seen in early spring and late fall when adults are present. [...]