Halticorcus hiranoi (Takizawa, 1982)

Fig. 8 P – T

Host plant.

Aspleniaceae: Asplenium antiquum Makino; Polypodiaceae: Pyrrosia lingua, Lemmaphyllum microphyllum, Lepisorus thunbergianus, Leptochilus neopothifolius, Loxogramme salicifolia; Vittariaceae: Vittaria flexuosa Fee.

Leaf mine.

Upper-layer linear-blotch mine on mature leaf (Fig. 8 Q, S, T). Frass is thread-like, thin, and often intermittent, and deposited along meandering larval trajectory. The fully grown larva exits the mined leaf, falls to the ground, and pupates underground.

Material examined.

• 1 adult and several leaf mines, Inohae, Nichinan, Miyazaki Pref., 20-V-2015 on Loxogramme salicifolia (Fig. 8 P, Q) ; • 3 adults, Mt. Yuwan, Uken, Amami-ôshima Is., Kagoshima Pref., 8-III-2000 (as larva on Pyrrosia lingua), emerged on 14–18-V-2000 (Fig. 8 R – T) ; • 1 adults, Mt. Yuwan, Uken, Amami-ôshima Is., Kagoshima Pref., 16-II-1999 (as larva on Lepisorus thunbergianus), emerged on 22-IV-1999 ; • 4 adult, Mt. Yuwan, Uken, Amami-ôshima Is., Kagoshima Pref., 7-III-2004 (as larva on Asplenium antiquum), emerged on 25-V – 5-VI-2004 ; • 2 adults, Mt. Katsuu-dake, Nago, Okinawa Pref., 23-XII-1989 (as larva on Lemmaphyllum microphyllum), emerged on? - III- 1990 ; • 1 adult, Inokawa-dake, Tokunoshima Is., Kagoshima Pref., 12-III-2001 (as larva on Vittaria flexuosa), emerged on 25-VI-2001 ; 8 adults, Kuroshima Is., Mishima-mura, Kagoshima Pref., 11-III-1995 (as larva on Vittaria flexuosa), emerged on 21–25-V-1995 .