Chilelimnophila, Alexander, 1968

Krzemiński, Wiesław, Kania-Kłosok, Iwona, Arillo, Antonio, Kopeć, Katarzyna, Santos, Daubian & Soszyńska, Agnieszka, 2024, The evolutionary history and biogeographical distribution of the Mesozoic relic genus Chilelimnophila (Diptera, Limoniidae), Zoological Journal of the Linnean Society 202 (1), pp. 1-16 : 9

Key to species of Chilelimnophila

1. Antenna 11-segmented; r-m inserted distal to the level of fork of vein Mb ......................................................................................... ....................................................................................................................... Chilelimnophila (Ribeironia) amorimi sp. nov. ( Fig. 2 )

- Antenna 16-segmented; r-m inserted proximal to the level of fork of Mb......................................................................................(2)

2. Crossvein m-cu positioned beyond half the length of d-cell; M 1 short, shorter than half the length of petiole; gonocoxite at most 2× as long as wide...................................................................................... Chilelimnophila (Chilelimnophila) lyra ( Fig. 5M )

- Crossvein m-cu positioned before half the length of d-cell; M 1 longer than half the length of petiole; gonocoxite longer than twice its width .............................................................................................................................................................................................(3)

3. Gonocoxite elongate, approximately 3× as long as wide, almost straight; outer gonostylus shorter than half the length of gonocoxite, inner gonostylus sharpened at apex, longer than half the length of outer gonostylus ................................................. .................................................................................................................. Chilelimnophila (Chilelimnophila) wangi sp. nov. ( Fig. 3 )

- Gonocoxite elongate, approximately 4× as long as wide, folded inwards in 0.3× of its length; outer of gonostylus longer than half the length of gonocoxite, inner gonostylus round at apex, shorter than half the length of outer gonostylus ........................ .................................................................................................................. Chilelimnophila (Chilelimnophila) parva sp. nov. ( Fig. 4 )

Figures

Figure 2. Chilelimnophila (R.) amorimi subgen. et sp. nov. (Limoniidae), inclusions in Spanish amber, holotype No. MCNA 9845 (male). A, body, latero-frontal view, drawing A. Arillo; B, body, latero-frontal view. C, antenna.D, palpus. E, part of hypopygium: gonocoxite and gonostyle; F.wing venation. Abbreviations: gx, gonocoxite; ing, inner gonostylus; oug, outer gonostylus; scp, scape; ped, pedicel; I–IV, palpomeres 1–4.

Figure 3. Chilelimnophila (C.) wangi sp. nov. (Limoniidae), inclusions in Kachin amber, holotype No. MP/4449 (male). A, antenna. B, palpus. C, part of hypopygium: gonocoxite and gonostyle. D, body, lateral view. E, wing venation.Abbreviations:gx, gonocoxite; ing, inner gonostylus; oug, outer gonostylus; scp, scape; ped, pedicel; I–IV, palpomeres 1–4.

Figure 4. Chilelimnophila (C.) parva sp. nov. (Limoniidae), inclusions in Kachin amber, holotype No. MP/4509 (male). A, antenna. B, body, latero-dorsal view.C, head, ventral view. D, hypopygium, dorsal view. E, wing venation. Abbreviations: gx, gonocoxite; ing, inner gonostylus; oug, outer gonostylus; scp, scape; ped, pedicel; I–IV, palpomeres 1–4.

Figure 5. Comparison of wing venation of recent and fossil species of Chilelimnophila. A–D, comparison of the position of fork M1 + 2 on M1 and M2. E–H, position of fork of Rs and basal section of R5 vein. I–L, position of cross-vein sc-r.A, E, I, Chilelimnophila (C.) lyra. B, F, J, Chilelimnophila (C.) wangi sp. nov. C, G, K, Chilelimnophila (R.) amorimi sp. nov. D, H, L, Chilelimnophila (C.) parva sp. nov. M, wing venation of fossil and recent species of Chilelimnophila and Zelandomyia.