Petrobia ( Tetranychina ) harti (Ewing, 1909)

Petrobia ( Tetranychina) harti (Ewing, 1909) View in CoL

This species occurs on a wide range of host plants. The genus Oxalis is considered as its major host plant ( Jeppson et al. 1975; Ehara 1999; Migeon and Dorkeld 2006 -2013). In the field, the injury of this mite appears as fine silver stipples on leaves. It prefers the underside of leaves ( Ochoa et al. 1994).

Specimens examined — 10 ♀♀ and 5 ♂♂ on Oxalis corniculata (Oxalidaceae) , Jableh ( 35°36’08.72"N, 35°92’57.31"E), 27-IX-2011; 10 ♀♀ and 2 ♂♂ on O. corniculata, Al-Hennadi ( 35°29’18.28"N, 35°51’48.01"E), 19-X-2011; 8 ♀♀ and 2 ♂♂ on O. corniculata, Al-Sanobar ( 35°29’9.16"N, 35°52’7.07"E), 15-IV-2012; 8 ♀♀ and 2 ♂♂ on Oxalis stricta, Zeghren ( 35°42’35.90"N, 35°52’46.5"E), 5-X-2011.

World distribution and remarks — This mite has a worldwide distribution and occurs on wide range of plants. In the Middle East, this species is recorded in many countries and the earliest report was from Egypt by Sayed (1946), ( In Migeon and Dorkeld 2006 -2013).