FIGURES 18–21. Lachesilla texana n in A new species of Lachesilla Westwood (Psocoptera: Lachesillidae) in the andra group with a proposed classification of the andra group

FIGURES 18–21. Lachesilla texana n. sp. Female. (18) Subgenital plate (north Mexican); (19) Ninth sternum and ovipositor valvulae (Texan); (20) Ninth sternum and ovipositor valvulae (north Mexican); (21) Ninth sternum and ovipositor valvulae (Great Smoky Mountains). Scale bar = 0.1 mm. All figures to same scale.