Dactylispa angulosa (Solsky, 1872)

Fig. 17 O – X

Host plant.

Lamiaceae: Clinopodium chinense (Benth.) var. parviflorum (Kudo), C. gracile (Benth.), C. micranthum (Regel) var. sachalinense (F. Schmidt), Isodon inflexa Kudo, Glechoma hederacea (A. Gray), Prunella vulgaris L., Salvia glabrescens (Franch. et Sav.), S. japonica Thunb., S. ranzaniana Makino; Boraginaceae: Lithospermum zollingeri (A. DC.) .

Leaf mine.

Upper-layer aggregate blotch mine on mature leaf (Fig. 17 Q, R, U, V). Frass is granular, deposited throughout the mine. The fully grown larva pupates in the mine.

Material examined.

Lamiaceae: • 2 adults, Sabushi-gawa, Niimi, Okayama Pref., 20-VI-2020 (as larva on Salvia ranzaniana), emerged on 19–24-VII-2020 (Fig. 17 O – R) ; • 4 adults, Toyohara, Nasu, Tochigi Pref., 2-VII-2022 (as larva on Salvia glabrescens), emerged on 19–25-VII-2022 (Fig. 17 S – U) ; • 1 adult, Omotsubo, Tetta, Niimi, Okayama Pref., 19-VII-1991 (as larva on Salvia japonica), emerged on 21-VII-1991 ; • 3 adult, Kaida-kôgen, Kiso, Nagano Pref., 3-VIII-2002 (as larva on Prunella vulgaris), emerged on 21–28-VIII-2002 ; • 9 adults, Chigonosawa, Kisofukushima, Kiso, Nagano Pref., 20-VII-1997 (as larva on Clinopodium chinense var. parviflorum), emerged on 28-VII – 1-VIII-1997 ; • 1 adult, Aburazaka, Ôno, Fukui Pref., 11-VII-2003 (as larva on Clinopodium micranthum var. sachalinense), emerged on 1-VIII-2003 ; • 1 adult, Nagawado, Matsumoto, Nagano Pref., 10-VIII-2016 (as larva on Clinopodium micranthum), emerged on 27-VIII-2016 (Fig. 17 V) ; 1 adult, Chigonosawa, Kisofukushima, Kiso, Nagano Pref., 20-VII-1995 (as larva on Isodon inflexus), emerged on 5-VIII-2016 ; • 1 adult, Chigonosawa, Kisofukushima, Kiso, Nagano Pref., 20-VII-1995 (as larva on Glechoma hederacea), emerged on 10-VIII-1995 ; • 1 adult, Mumyôdani, Tetta, Niimi, Okayama Pref., 9-VII-1991 (as larva on Meehania urticifolia), emerged on? - VIII- 1991 .

Boraginaceae: • 1 adult, Taishaku-kyô, Shôbara, Hiroshima Pref., 8-VII-1991 (as larva on Lithospermum zollingeri), emerged on? - VIII- 1991 (Fig. 17 W – X) .