日本産ホコリダニ類(Tarsonemidae, Acarina)の3新種

抄録

Many species of tarsonemid mites, family Tarsonemidae, are recognized as a pest of plants. We have found many species of the mite living on wild plants or crops. In the present paper, the author described three new species of tarsonemid mites which belong to the genus Tarsonemus.
1. Tarsonemus yoshidai n. sp.
Only males of this species are found. The species are easily distinguished from the other species of the genus Tarsonemus by the presence of a broad inner spur-like projection of femur IV.
Holotype: Specimen was collected on a leaf of Vitis vinifera LINNÉ, captured by Mr. Kazuo YOSHIDA at Higashi-Matsuyama City, Saitama Prefecture on 18th October 1961.
Paratype: One male, same data as holotype.
2. Tarsonemus sasai n. sp.
Only a male of this species is found. Male of thespecies is easily distinguished by the presence of inner flange-like expansion of femur IV, one long drsal seta of tibia IV, claw IV reducing to a knobstike.
Holotype: Specimen was collected on a leaf of Vitis vinifera LINNÉ, captured by Mr. Kazuo YOSHIDA, at Higashi-Matsuyama City, Saitama Prefecture on 18th October, 1961.
3. Tarsonemus misakai n. sp.
Only a male of this species is found. The species is distinguished by the following features: Tarsus I and II are elongated, each of the segment with a elongated dorsal annulated seta. Ventral setae of femur IV stout. Dorsal seta of tibia IV longer than the segment. A ventral seta of tarsus IV long.
Holotype: Specimen was collected on a leaf of Diospyros Kaki THUNBERG, captured by Mr. Kazuo YOSHIDA, at Fukaya City, Saitama Prefecture on 28th September, 1961.