Oligonychus coffeae Nietner, 1861

Toroitich, Faith J., Ueckermann, Edward A., Theron, Pieter D. & Knapp, Markus, 2009, The tetranychid mites (Acari: Tetranychidae) of Kenya and a redescription of the species Peltanobia erasmusi Meyer (Acari: Tetranychidae) based on males, Zootaxa 2176, pp. 33-47 : 42

Oligonychus coffeae Nietner, 1861

Acarus coffeae, Nietner, 1861

Peritreme ends in a bulb. Aedeagus distally bends ventrad at a right angle to shaft axis and gradually narrows to a slender truncate tip; male palptarsus with a tiny terminal sensillum; male tarsus bears 3 tactile setae and 2 solenidia proximal to duplex setae; empodia provided with 5 pairs of proximoventral hairs; serrate dorsal body setae of female longer than distances between consecutive setae.

Specimens examined: Four females and two males on Mangifera indica (Anacardiaceae) from Bungoma district (N00°25.425'; E034°30.225').

Remark: This species has a world-wide distribution and is found on a wide range of host plants. It was first collected on Coffeae arabica ( Rubiaceae ) from Sri Lanka ( Nietner, 1861). The first record of this species in Kenya was on Anacardium occidentale (Anacardiacea) from Matuga, Kwale district ( Baker and Pritchard, 1960). They are dark red in colour. Damage symptoms were not visible on the host plant.