S. Mahunka szerk.: Folia Entomologica Hungarica 65. (Budapest, 2004)

Key to the species groups of the genus Aleuropteryx 1 Two sides of the dorsal part of 9

lh sternite dorsocaudally are connected by a strong, folded arch; the penis usually short (Figs 2C, 3A) Aleuropteryx loewii group - Two sides of the dorsal part of 9

th sternite dorsocaudally are not connected by a strong, folded arch, however, a horizontal dorsal plate often present above the penis, and this plate is connected to 9

th sternite only in a point, or with a membrane; the penis usually long (Figs IIB, 12B,C) Aleuropteryx minuta group Key to the species of Aleuropteryx loewii group 1 Penis ending in a single spine (Fig. 3 A) 2 - Penis ending in three spines (Fig. 2C) Aleuropteryxjuniperi 2 Dorsolateral projections of penis form a broad plate (Figs 1,4) 4 - Dorsolateral projections of penis are narrow and separated completely (Fig. 3D)... 3 3 Ventral process of 9

th sternite simple, claw-like (Fig. 5) Aleuropteryx umbrata - Ventral process of 9

th sternite appearing double in lateral view (Fig. 3A) Aleuropteryx loewii 4 Plate-like sclerite formed by dorsolateral projections of penis narrow in lateral view, and situated caudally (Fig. 1 ) Aleuropteryx iberica - Plate-like sclerite formed by dorsolateral projections of penis subtriangular, and situated proximally (Fig. 4) Aleuropteryx remane Key to the species of Aleuropteryx minuta group 1 Scape very long, flagellar segments not longer than broad (Fig. 9) Aleuropteryx longiscapes - Scape moderately long, flagellar segments longer than broad (Fig. 11C) 2 2 Ventral process of 9

th sternite strongly widening caudally in ventral view (Figs 7A, IIA) 3 - Ventral process of 9

th sternite narrowing, or moderately widening caudally in ventral view (Fig. 6B) 5 3 Ventral process of 9th sternite T-shaped (Fig. 11 A) Aleuropteryx mestrei - Ventral process of 9th sternite broadly arched caudally 4 4 Dorsal plate above the penis narrow (Fig. 7B) Aleuropteryx felix - Dorsal plate above the penis broad (Fig. 15B) Aleuropteryx wawrikae 5 Caudal part of penis trifurcate (Fig. 1 OB) Aleuropteryx maculata - Caudal part of penis single 6 6 Proximal apodeme of 9th sternite narrow 7 Proximal apodeme of 9th sternite widened 8 7 Ventral process of 9

th sternite laterally hooked (Fig. 12B) Aleuropteryx minuta - Ventral process of 9

th sternite narrowing, its end bilobed (Fig. 14A) Aleuropteryx vartianorum 8 Ventral process of 9th sternite cone-like in ventral view; its base broad (Fig. 13)