Aspistomella Hendel 1909

Key to third instar larvae of Aspistomella and Ulivellia 1. Creeping welt of abdominal segment I (CW1) composed of three spinule rows (Figs 21 A, 47 A)......... Aspistomella … 2 - Creeping welt of abdominal segment I composed of five spinule rows (Figs 58 B, 60 A).................... Ulivellia …4 2. Creeping welts CW3–CW8 with single row of large spinules in rows d (Figs 21 C, D); posterior spiracles: edges of yellow spiracular slit stripes distally blurred, as in Fig. 9 A ...................................... Aspistomella duo sp. nov. - Creeping welts CW3–CW8 with double row of large spinules in rows d (Figs 47 C, D), posterior spiracles: edges of yellow spiracular slit stripes sharp.............................................................................. 3 3. Posterior spiracles close together (sd/sw ratio: ca. 0.05), spiracular slits with 12–15 turns, yellow slit stripes narrow, as in Fig. 9 B ............................................................................ Aspistomella tres sp. nov. - Posterior spiracles: distance between spiracles larger (sd/sw ratio: 0.19), yellow spiracular slits with 3–4 turns, yellow slit stripes wide, as in Fig. 9 F ................................................................. Aspistomella sp. 4. Creeping welts CW3–CW8 with single row of large spinules in rows d, central row c continuous (Figs 58 D, E); posterior spiracles: spiracular slits with 5–6 turns, yellow slit stripes narrow proximally and wide distally, resembling the silhouette of a bowing person, as in Fig. 9 D ........................................................ Ulivellia arcuata sp. nov. - Creeping welts CW3–CW8 with double row of large spinules in rows d, central row c discontinuous (Figs 60 C, D); posterior spiracles: spiracular slits with 8–11 turns, yellow slit stripes almost equally wide proximally and distally, as in Fig. 9 C ..................................................................................... Ulivellia tenoris sp. nov.