Pilophorus pseudoperplexus Josifov, 1987

(Figs 2C ̅D, 11C, 12C–E, 19G̅I)

Pilophorus pseudoperplexus Josifov, 1987: 118 (n. sp., desc.); Schuh, 2002 –2013, online catalog; Aukema, 2018, online catalog; Urayama et al. 2019: 81, fig. 2D (faunal list); Yamamoto & Yasunaga, 2020: 81 (faunal list).

Material examined. JAPAN: Hokkaido, Otaru City, Estuary of Shinkawa River, 43.165, 141.227, Quercus dentata, 9 Sep 2007, A. Yamamoto, 2♀ (OMO). Honshu: Kanagawa Pref., Atsugi City, TUA-farm, 22 Jun 1999, S. Nagashima, 3♂ 1♀ (TUA). Kyushu: Nagasaki City, Yotsue Town, Agri-Hills Park, 32.81037, 129.79333, Quercus acutissima Carruth. (Fagaceae), 17 Jun 2017, T. Yasunaga, 2 ♂ (TYCN) (AMNH _PBI 00380671). Shikoku, Kochi Pref., Same’ura-dam, 33.755, 133.548, Quercus accutissima, 24 Jul 1996, T. Yasunaga, 2 ♀ (TYCN).

Rediagnosis. Recognized by its moderate size; dark reddish brown general coloration; almost linear antennal segment II that is weakly clavate; nearly straight metatibia; C-shaped endosoma with bifurcate median process (its shorter branch tiny, Fig. 11C); sclerotized ring with a developed rim dorsally (Fig. 12C); and vestibular sclerite with a conical projection left-laterally (Fig. 12D).

Measurements. See Table 2.

Biology. This oak-inhabiting mirid is known to be associated mainly with deciduous Quercus species (Kerzhner, 1988; Urayama et al., 2019) and assumed to have a univoltine life cycle. The adults were found from mid-June to late July in warm temperate climate zone.

Discussion. See discussion under P. erraticus .