Remarkable species of Histiostoma (Histiostomatidae, Astigmata) from Japan with a pair of new identified ventral coxal organs and sexual dimorphism of chemical components
2005 - Volume: 45 Issue: 1 pages: 85-98
KeywordsHistiostoma Histiostomatidae 3 hydroxybenzene 1,2 dicarboaldehyde new organ
Histiostoma globotuberum sp. n. was collected from Kyoto and Tsukuba, Japan. This species showed one pair of ring or disk like structures (coxal tuber) on the anterior lateral part of coxa I of the deutonymph, adult male and female. Hexane extracts (possibly the opisthonotal gland extract) of the species consisted of 3 hydroxybenzene 1,2 dicarboaldehyde as a major component, in addition to geranial which commonly occurs in histiostomatid mites. Sexual dimorphism was observed in hydrocarbon profiles of mite extracts.
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