Abstract
Three species of Tetranychidae belonging to the genus Bryobia were collected from Latakia governorate, Syria in 2019: Bryobia (Allobia) syriensis n. sp. collected from Salvia verbenaca L., is described; Bryobia (Allobia) nikitensis and Bryobia (Bryobia) gigas collected from S. verbenaca and from soil litter, respectively, are reported. New observations of Bryobia specimens previously reported from the same governorate during 2014-2016 revealed that specimens of Bryobia (Bryobia) watersi were misidentified as Bryobia (Bryobia) graminum and Bryobia (Bryobia) kissophila. Among them, we found two aberrant females bearing three propodosomal lobes. By analogy, we discussed the cases of the trilobed species, Bryobia bakeri and Bryobia aegyptiacus, and concluded that they could be teratological forms of quadrilobed Bryobia species rather than species with a particular pattern of propodosomal lobes.
Highlights
Among the spider mite family, the genus Bryobia is the fourth largest genus in terms of species (Migeon and Dorkeld, 2019) and since the revision of the genus Pseudobryobia by Arabuli et al (2019), it contains 143 taxa.Several species belonging to this genus are worldwide distributed, polyphagous, and could be distinctly economically injurious to crops (Vacante, 2010)
Seven species of the genus Bryobia are known from Syria: Bryobia (Allobia) nikitensis (Livshits and Mitrofanov), Bryobia (Bryobia) gigas Auger et al, B. (B.) graminum (Schrank), B. (B.) kissophila Eyndhoven, B. (B.) praetiosa Koch, B. (B.) vasiljevi Reck and B. (Lyobia) rubrioculus (Scheuten) (El-Hariri, 1968; Barbar, 2014, 2018; Zeity, 2017; Zeity and Srinivasa, 2019; Zriki et al, 2015)
Some specimens of this genus collected during 2014–2016 still remained unidentified and those of B. (B.) graminum and B. (B.) kissophila seem to be misidentified as the identification was based only on morphological characteristics of adult females (Barbar, 2014, 2018)
Summary
Several species belonging to this genus are worldwide distributed, polyphagous, and could be distinctly economically injurious to crops (Vacante, 2010). Some specimens of this genus collected during 2014–2016 still remained unidentified (of which two specimens bearing only three propodosomal lobes each with one seta) and those of B. (B.) kissophila seem to be misidentified as the identification was based only on morphological characteristics of adult females (Barbar, 2014, 2018). The aims of the current paper are to present the results of some field samplings of Bryobia species undertaken in Latakia governorate in 2019 and to re-examine all specimens of this genus collected in the same governorate over the period 2014–2016 and reported by Barbar (2014, 2018). The observation of unusual Bryobia specimens’ prodorsal lobes lead us to discuss the identity of Bryobia bakeri (Zaher, Gomaa and El-Enany, 1982) and Bryobia aegyptiacus (Zaher, Gomaa and El-Enany, 1982)
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