Phytoseiidae of Vietnam (Acari: Mesostigmata) with description of a new species

Abstract

Vietnam is a large country of Southeast Asia and a globally recognized hotspot of biodiversity. Until recently, only limited surveys had been carried out on the resident Phytoseiidae fauna and presence of 12 species had been documented, with 11 belonging to the sub-family Amblyseiinae and 1 to the sub-family Typhlodrominae. Here, we present results from 2017 field surveys and add a total of 8 new country records, one of which a newly-described species. At least 5 species (i.e., Neoseiulus longispinosus, Paraphytoseius cracentis, P. orientalis, Amblyseius cinctus and A. herbicolus) are well-known biological control agents (BCA), while two species (Euseius ovaloides and Gynaeseius liturivorus) carries ample potential as BCA agents but necessitates further study. In addition to the intrinsic value of phytoseiid mite biodiversity in tropical environments, demonstration of the natural occurrence of efficient BCAs in Southeast Asian countries such as Vietnam is of great agricultural and commercial interest.

Phytoseiid mites of Mayotte Island (Acari: Mesostigmata)

“…Remarks: this species was reported by Kreiter et al (2018a and by Ferragut and Baumann (2019) from various places. Morphological and morphometric characters and all measurements fit well with those given by Ferragut and Baumann (2019) and Kreiter et al (2020b, c). It is described from Asia (Narayanan et al 1960) and present in Vietnam .…”

“…Remarks: morphological and morphometric characters and all measurements fit well with those provided by Kreiter et al (2020b, c). This species described from Africa (Pritchard and Baker 1962) was first mentioned in the Indian Ocean from La Réunion Island (Kreiter et al 2020c), but seems to be present in several other investigated islands (Kreiter and Abo-Shnaf 2020a, b).…”

Phytoseiid mites (Acari: Mesostigmata) of Anjouan Island (Comoros Archipelago)

“…It is also reported recently from Vietnam (Kreiter et al 2020c), Rodrigues and Maurice Islands (Kreiter and AboShnaf 2020a, b) but only from females. Morphological and morphometric characters and all measurements fit well with those measurements provided in Kreiter et al (2018bKreiter et al ( , 2020c.…”

“…Amblyseius herbicolus was reported in the past from La Réunion Island from few specimens (Quilici et al 1997(Quilici et al , 2000 and more recently from a lot of specimens (Kreiter et al 2020d). It is also reported recently from Vietnam (Kreiter et al 2020c), Rodrigues and Maurice Islands (Kreiter and AboShnaf 2020a, b) but only from females. Morphological and morphometric characters and all measurements fit well with those measurements provided in Kreiter et al (2018bKreiter et al ( , 2020c.…”

“…Remarks: this species was reported by Kreiter et al (2018b) in the Grande Comore Island of the Comoros Archipelago in the Indian Ocean based on two females. This is interesting to notice that no male were collected, just like in La Réunion Island (Kreiter et al 2020c) and also on Citrus in Black Sea Region of Turkey (Doker et al 2020). Amblyseius herbicolus was reported in the past from La Réunion Island from few specimens (Quilici et al 1997(Quilici et al , 2000 and more recently from a lot of specimens (Kreiter et al 2020d).…”