Revision of the genus Xanthopimpla Saussure (Hymenoptera: Ichneumonidae: Pimplinae) in Vietnam, with descriptions of fourteen new species (Zootaxa 3056) 67 pp.; 30 cm.
A new species of Darwin wasp of the genus Dicamptus Szépligeti (Hymenoptera: Ichneumonidae: Ophioninae), D. curvus Pham, Matsumoto & Shimizu sp. nov., is described on the basis of type specimen from Lai Chau Province, northwest Vietnam. The new species probably belongs to the giganteus species group and is easily distinguishable from the other species of the group by the smaller indices of fore wing AI and CI as well as the form of sclerites. Two species, D. cantoni Gauld & Mitchell and D. reticulatus (Cameron), are recorded for the first time from Vietnam; and additional distribution records for D. nigropictus (Matsumura) in Vietnam are provided. Through the present study, a total of four Dicamptus species have been recognized in Vietnam and illustrated.
The ichneumonid wasp genus Zaglyptus Förster, 1868 is reported for the first time from Vietnam, with three species found in the country. One new species, Zaglyptus guptai sp. nov., is described based on material collected in Chu Yang Sin NP, Dak Lak Province. Two other species, Z. glaber Gupta and Z. nigrolineatus, Gupta are recorded as new for the country. In addition, the subspecies Z. glaber singaporensis Gupta is synonymised with the nominate subspecies.
Six species of Acropimpla Townes, 1960 are recorded from Vietnam, of which three species are described as new: A. lampei sp. nov. from Ea So, Dak Lak Province, Central Highlands of Vietnam, A. mucronis sp. nov. from Cat Tien, Dong Nai Province, South Vietnam, and A. phongdienensis sp. nov. from Phong Dien, Thua Thuen-Hue Province, Central Vietnam. Two species, A. hapaliae (Rao, 1953) and A. taishunensis Liu, He & Chen, 2010 are recorded from Vietnam for the first time.
Populations of widespread pest insects in tropical areas are characterized by a complex evolutionary history, with overlapping natural and human-mediated dispersal events, sudden expansions, and bottlenecks. Here, we provide biogeographic reconstructions for two widespread pest species in the tiger moth genus Creatonotos (Lepidoptera: Erebidae: Arctiinae) based on the mitochondrial cytochrome c oxidase subunit I (COI) gene. The Asian Creatonotos transiens reveals shallow genetic divergence between distant populations that does not support its current intraspecific systematics with several local subspecies. In contrast, the more widespread Creatonotos gangis comprises at least three divergent subclades corresponding to certain geographic areas, i.e. Australia, Arabia + South Asia and Southeast Asia. With respect to our approximate Bayesian computation (ABC) model, the expansion of Creatonotos gangis into Australia is placed in the Late Pleistocene (~65–63 ka). This dating coincide with an approximate time of the earliest human migration into the continent (~65–54 ka) and the period of intervisibility between Timor and Australia (~65–62 ka). Our findings highlight that the drying Sunda and Sahul shelf areas likely support successful migrations of Asian taxa into Australia during the Pleistocene. The phylogeographic patterns discovered in this study can be used to improve the effectiveness of integrated pest control programs that is a task of substantial practical importance to a broad range of agricultural stakeholders.
Abstract:The genus Flavopimpla Betrem, 1932 is reviewed for the first time from Vietnam with descriptions of two new species: Flavopimpla lanugo sp. n. from Xuan Son National Park, Phu Tho Province, northern Vietnam and Flavopimpla vinhcuuensis sp. n. from Phu Ly, Dong Nai Province, southern Vietnam. A key to three Vietnamese Flavopimpla species is compiled.
Barsine vinhphucensis sp. nov. (Lepidoptera: Erebidae: Arctiinae) has been discovered from mountain tropical forest of northern Vietnam. The new species differs from all the other members of the genus by a characteristic pattern and male genitalia structure. It appears to be a local endemic species of the Tam Dao Mountain Range.
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