Argopistes coccinelliformis Csiki, 1940

Kato, Makoto & Imada, Yume, 2025, Diversity and host plant utilization of leaf-mining beetles of Chrysomeloidea (Coleoptera) in Japan, ZooKeys 1238, pp. 209-268 : 209-268

Argopistes coccinelliformis Csiki, 1940

Fig. 9 A, B

Host plant.

Oleaceae : Ligustrum micranthum Zucc. , L. ovalifolium Hassk. Ligustrum japonicum Thunb. , Osmanthus heterophyllus (G. Don) , O. insularis Koidz. , O. × fortunei Carr. are also recorded as adult hosts ( Kimoto and Takizawa 1993). In Ogasawara Islands, this is the only leaf-mining chrysomelid species.

Leaf mine.

Full-depth linear mine on young leaf (Fig. 9 B ). The egg is laid on leaf margin, and the hatched larva mines adjoining along the leaf margin or its mine. Frass is thread-like, deposited along the middle line of the mine. The fully grown larva exits the mined leaf, falls to the ground, and pupates underground.

Material examined.

• 3 adults, Rinkai , Shirahama, Nishimuro-gun, Wakayama Pref., 13-V-1998 (as larva on Ligustrum ovalifolium ), emerged on 2-VI-1998 (Fig. 9 A, B ) ; • 1 adult, Mukô-jima Is. Ogasawara, Tokyo Pref. on Ligustrum micranthum .

Figures

Figure 9. Habitus of adults and leaf mines of four Argopistes species A, B A. coccinelliformis C – H A. biplagiata I – N A. tsekooni O – Q A. ryukyuensis. Host plants A, B Ligustrum ovalifolium at Shirahama, Wakayama Pref. C, D Osmanthus × fortunei at Mizorogaike Lake, Kyôto Pref. E – H Osmanthus heterophyllus at Iwakura, Kyôto Pref. I – K Ligustrum obtusifolium at Mt Nabejiri, Shiga Pref. L Fraxinus sieboldiana at Uri-tôge, Hamamatsu, Shizuoka Pref. M, N Syringa reticulata at Tôro Lake, Kushiro, Hokkaido O – Q Ligustrum japonicum at Abu, Okinawa Is., Okinawa Pref.