Mucroseius aciculatus (Ishikawa, 1968)
Proctolaelaps aciculatus Ishikawa, 1968: 208 .
Proctolaelaps aciculatus .— Ishikawa, 1969a: 123.
Proctolaelaps hystrix .— Ishikawa, 1977: 184 (in part). Misidentification, according to Lindquist & Wu, 1991: 897. Proctolaelaps (Proctolaelaps) aciculatus .—Karg, 1985: 196; 1988a: 445; 2006: 155. Mucroseius aciculatus .— Lindquist & Wu, 1991: 897.
TYPE DEPOSITORY: Biological Laboratory, Matsuyama Shinonome Junior College, Matsuyama, Japan.
TYPE LOCALITY AND HABITAT: Omogo Valley, Shikoku, Japan, on Mecynippus pubicornis (Animalia: Cerambycidae).