Chalybion malignum

Chalybion malignum (Kohl, 1906) Material examined. VIETNAM. Ha Noi: 1 ♀, Ba Vi National Park, Ba Vi, 11.viii.2024. Hoa Binh: 2 ♀♀, 1 ♂, Tan Lac, Yen Thuy, 5.viii.2017; 11 ♀♀, 9 ♂♂, My Tan, Tan Thanh, Luong Son, 15.v–1.ix.2018, trap nests; 77 ♀♀, 60 ♂♂, Kim Son, Kim Boi, 15–30.vi.2019, 1–15.vii.2019, trap nests. Ninh Binh: 2 ♀♀, Cuc Phuong, Nho Quan, 21.vii.2016. Son La: 1 ♂, Muong Thai, Ham Yen, 11.viii.2017; 2 ♀♀, Xuan Nha, Van Ho, 19.ix.2023. Thai Nguyen: 48 ♀♀, 26 ♂♂, Yen Lac, Phu Luong, 25.v.–03.vi.2014, 10–25.v.2019, 1–15.vii.2020, 15–30.vi.2020, trap nests. Vinh Phuc: 20 ♀♀; 13 ♂♂, Tam Dao; ii–vii. 2013, iii–viii. 2014; 400 m, trap nests; 16 ♀♀, 9 ♂♂, Me Linh Station for Biodiversity, Me Linh, i–vi.2013, vii.–xii.2014, trap nests. Ha Giang: 4 ♀♀, 2 ♂♂, Phong Quang, Vi Xuyen, 25.v.2022. Distribution. Vietnam: Hoa Binh, Son La, Thai Nguyen, Vinh Phuc (Pham & Dang 2017; Pham et al. 2019), Ha Giang, Ha Noi, Ninh Binh (new records). Elsewhere: China, India, Indonesia, Malaysia, Myanmar, Sri Lanka (Pulawski 2024).