엽비의 연구(II) -과수의 응애류 수종에 대하여-

Studied on the Mites (II) On some Mites of Apple trees.

The author collected 4 species of mites from apple trees. These are as follows: (1) Mediolata mali (Ewing) (2) Tydeus globiferus Baker (3) Cheyletia sp. (4) Amblyseius americanus Garman