Blacus (Blacus) exilis ( Nees, 1811 )

Lu, Qian-Yu, Chai, Hong-Fei, Achterberg, Cornelis Van, Tang, Pu & Chen, Xue-Xin, 2024, The first report of subgenus Blacus Nees, 1819 (Hymenoptera, Braconidae, Brachistinae) from China, Zootaxa 5471 (5), pp. 501-535 : 505-506

publication ID	https://doi.org/ 10.11646/zootaxa.5471.5.1
publication LSID	lsid:zoobank.org:pub:3D7BA3AC-A3BE-4F89-9178-D200841F052F
DOI	https://doi.org/10.5281/zenodo.12208479
persistent identifier	https://treatment.plazi.org/id/038287B7-FFE1-FFB8-7EDE-FA3FA34C4494
treatment provided by	Plazi
scientific name	Blacus (Blacus) exilis ( Nees, 1811 )
status

Treatment

Blacus (Blacus) exilis ( Nees, 1811) View in CoL

( Figs 3–4 View FIGURE 3 View FIGURE 4 )

Bracon exilis Nees, 1811: 19 .

Blacus exilis View in CoL : Haeselbarth, 1973: 157.

Blacus (Blacus) exilis View in CoL : van Achterberg, 1976: 233; 1988: 64.

Material examined. 2♀♀, China, Inner mogolia, Helan Mtn, Shatangzi , 8.VIII.2010, Zeng Jie, No. 201005966; Zhengxiangbaiqi , 15.VIII.1998, Guo Yuanchao, No. 200010575 ; 2♀♀, China, Hebei, Xiaowutai Mtn, Dongling Mtn , alt. 2100m, 21.VIII.2005, Shi Min, No. 200607929; Zhang Hongying, No. 200607990 ; 1♀, China, Henan, Luanchuan , 12.VII.1996, Cai Ping, No. 974502 ; 1♀, China, Ningxia, Liupan Mtn , Jingyuan, Baimian, 21. VI .2010, light trap, Liu Jingxian, No. 200902197; 1♀, China, Yunnan, Kunming, 17. V .1981, He Junhua , No. 813303 ( ZJUH) . 1♀, China, Sichuan, Emei Mtn, 18. VI .1955, Huang Keren and Jin Gentao , IOZ (E) 2450867 ( IZCAS) ; 1♀, China, Yunnan, Xiaguan , alt. 2050m, 30. V .1955, B. Попов , IOZ (E) 2450866 ( IZCAS) .

Biology. Reported as parasitoid of Ernobius nigrinus ( Coleoptera : Anobiidae ), Magdalis armigera ( Coleoptera : Curculionidae ), Pityokteines vorontzovi ( Coleoptera : Curculionidae ) and Scolytidae . Solitary endoparasitoid and emerged from the larval or nymph stage. This species may also be attracted to light, and males will swarm ( van Achterberg 1988, Yu et al., 2016).

Distribution. China (Inner mogolia, Hebei, Henan, Ningxia, Sichuan, Yunnan); Afghanistan; Azerbaijan; Georgia; Kazakhstan; Korea; Iran; Israel; Mongolia; Morocco; Russia; Turkey; Turkmenistan; Uzbekistan; Europe; Nearctic. New record for China.

Notes. The length of first metasomal tergite varies from 1.6 to 1.8 × its apical width. A specimen from Ningxia Province (No. 200902197) has only 16 antennomeres ( Fig. 4D View FIGURE 4 ).