A new genus and species of mirine plant bug endemic to central Honshu, Japan, a region receiving the world’s heaviest snowfall (Insecta: Hemiptera: Heteroptera: Miridae: Mirinae: Mirini) Author Yasunaga, Tomohide Research Associate, Division of Invertebrate Zoology, American Museum of Natural History, New York 10024, USA; c / o Nagasaki West High School, SSH Biology Section, Takenokubo 12 - 9, Nagasaki 852 - 8014, Japan Author Mashima, Gō Newron Sanitar Co., Settaya-machi 2633 - 3, Nagaoka City, Niigata 940 - 1104, Japan text Zootaxa 2025 2025-10-31 5716 3 397 408 https://doi.org/10.11646/zootaxa.5716.3.6 journal article 313791 10.11646/zootaxa.5716.3.6 5e85d70e-8c30-4224-a005-a93306697ad1 1175-5326 17889504 A7743C3B-3E22-4B26-BC2D-342C22BF7366

TABLE 1. Measurements for Itoigawacoris venustulus. Abbreviations—F: female, FM: femur, HT: holotype, L: length, LBM: labium, M: male; PRN: pronotum, PT: paratype, TB: tibia, VTX: vertex (interocular space), W: width.

	Body	Head	VTX	PRN	HEM		Antennomere L			LBM	Metaleg L
	L	W	W	W	W	I	II	III	IV	L	FM	TB
HT M	5.10	0.92	0.36	1.36	1.71	0.58	1.92	1.15	0.90	1.84	1.73	2.44
PT M	4.86	0.90	0.38	1.32	1.57	0.57	1.92	1.04	0.79	1.73	1.71	2.38
PT M	4.50	0.84	0.36	1.19	1.52	0.56	1.67	0.79	0.61	1.79	1.50	2.11
PT M	4.74	0.88	0.38	1.29	1.54	0.54	1.88	1.08	0.86	1.75	1.69	2.44
PT F	4.44	0.84	0.38	1.27	1.57	0.52	1.56	0.94	0.83	1.88	1.54	2.30
PT F	4.80	0.91	0.42	1.36	1.61	0.56	1.73	1.02	0.94	1.92	1.75	2.34
PT F	5.10	0.92	0.42	1.42	1.73	0.56	1.69	0.94	0.75	1.88	1.73	2.50
PT F	4.80	0.84	0.38	1.31	1.65	0.52	1.61	0.98	0.83	1.80	1.67	2.30