Lasioseius youcefi AthiasHenriot
Lasioseius youcefi AthiasHenriot, 1959: 177 .
Lasioseius paucisetosus Westerboer, 1963: 274 .
Lasioseius proteae Ryke, 1964: 343 .
Lasioseius mcgregori Chant, 1963: 276 .
Lasioseius youcefi: Karg, 1980: 364; 1993a: 254; Walter & Lindquist, 1989: 2800.
Specimens examined: Site 9411, 31 females; Site 9413, 63 females, 1 DN; Site 9414, 4 females; Site 9416, 1 female; Site 9431, 3 females; Site 9929, 1 female; Site 200020, 3 females.
Lasioseius youcefi is widespread in Africa, Europe, and North America (Walter & Lindquist, 1989; Karg, 1993a). It has been found in soil, moss, grass, leaf litter, chaff, decaying fruit, flowers, and a mammal nest. It is parthenogenetic (femaleonly), and feeds on nematodes, mites, Collembola, and fungal hyphae (Walter & Lindquist, 1989). All the specimens found in this survey were females.