Sennertia alfkeni (Oudemans, 1900) (Figs. 7, 8)

Material examined: Two phoretic deutonymphs. Democratic People’s Republic of Korea, Pyongyang Prov., Kyollyong-josuji Reservoar, 30 km E from Pyongyang, host: Xylocopa sp, 30.X.1978, leg. Vojnits, A. & Zombori, L.

Diagnosis: Dorsal setae si very short, setae se, c2, cp, d2, e2 very long. Setae c1 situated on hysterosomal shield. Ventral setae 4b short and robust, apical part peaked. Ventral tarsal setae (w) elongated.

Notes: This species occurs only in East-Asia, especially in Japan. Only one uncertain data are known from South-Korea.

Remark: This is the first record of this species from North-Korea.