Coelinius Nees

Oliveira, Franciélle Dias De & Penteado-Dias, Angélica Maria, 2022, New species of Coelinius Nees (Hymenoptera: Braconidae: Alysiinae) from Brazil, Zootaxa 5129 (2), pp. 199-210 : 208

Key to Neotropical species of Coelinius Nees

1 Notauli incomplete, not reaching to mesoscutal pit.......................................................... 2

- Notauli complete, reaching to mesoscutal pit............................................................... 3

2 Head elongate in dorsal view (distinctly longer than wide). Hind femur 4.0× as long as wide. Fore wing with vein r 1.2× as long as stigma width. First metasomal tergite 3,7–4,3× as long as apical width. Mexico........................................................................................ Coelinius carmenae Figueroa, Sánchez & Kula (♀, ♂)

- Head spherical or transversal in dorsal view (about as long as wide or wider than long, as Figs 9, 12, 15, 21 ). Hind femur 4.5–4.9× as long as wide. Fore wing with vein r 0.4–0.6× as long as stigma width. First metasomal tergite 2.5–2.7× as long as apical width......................................................................................... 4

3 Head elongate, 0.9× as wide as long in dorsal view ( Figs 2 , 18 ); temple 2.0–2.7× as long as eye (lateral view), protruding posterior-apically ( Figs 3 , 19 ). Frons rugose. Mandible 1.7–1.9× as long as apical width ( Fig. 20 ). First metasomal tergite without dorsope. Head predominantly yellow ( Figs 2–4 ). Brazil................ Coelinius longicephalus sp. nov. (♀, ♂)

- Head transversal 1.1–1.3× as wide as long, in dorsal view (as Figs 9, 12 ), temple 0.7–1.8× as long as eye (lateral view), rounded. Frons rugose or smooth. Mandible 2.0–2.4× as long as apical width. First metasomal tergite with dorsope (shallow or deep). Head brown to black except mandibles, mouth, and antenna parts, which can be yellowish........................... 5

4 Head 1.15–1.2× as wide as long in dorsal view ( Fig. 15 ); temple 1.4–1.6× as long as eye (lateral view) ( Fig. 16 ). Mandible 1.2– 1.4× as long as apical width; apex 1.0× as wide as base ( Fig. 17 ). Labial palp 3-segmented; maxillary palp 4-segmented, 0.5× as long as head length. First flagellomere 2.65–3.1× as long as wide, tenth flagellomere 1.5–1.7× as long as wide. Mesoscutum 1.0–1.1 as wide as high. Hind tibia 1.1–1.2× as long as hind tarsus. Fore wing with vein 1-SR+M 0.9–1.05× as long as 2-SR, first subdiscal cell closed. Hind wing with vein 1-M 0.4–0.5× as long as M+CU and 1.1–1.6× as long as 1r-m. Brazil............................................................ Coelinius kali Souza-Gessner & Penteado-Dias (♀, ♂)

- Head 1.4× as wide as long in dorsal view ( Fig. 21 ); temple 1.1× as long as eye (lateral view) ( Fig. 22 ). Mandible 2.1× as long as apical width; apex 0.7× as wide as base ( Fig. 23 ). Labial palp 4-segmented; maxillary palp 6-segmented, 1.5× as long as head length. First flagellomere 4.6× as long as wide, tenth flagellomere 3.8× as long as wide. Mesoscutum 0.8× as wide as high. Hind tibia 0.8× as long as hind tarsus. Fore wing with vein 1-SR+M 1.4× as long as 2-SR, first subdiscal cell open. Hind wing with vein 1-M 0.9× as long as M+CU and 3.4× as long as 1r-m. Brazil..... Coelinius lux Souza-Gessner & Penteado-Dias (♀)

5 Temple 0.7× as long as eye (lateral view). Fore wing with vein r 1.1× as long as stigma width. Mexico......................................................................... Coelinius danielae Figueroa, Sánchez & Kula (♀, ♂)

- Temple 1.3–1.8× as long as eye (lateral view) ( Figs 10, 13 ). Fore wing with vein r 0.4–0.6× as long as stigma width...... 6

6 Frons smooth. Labial palp 3-segmented. Maxillary palp 5-segmented, 0.3–0.4× as long as head high, third segment 0.6–0.8× as long as fourth. Fore wing with vein cu-a 0.4–0.8× as long as 1-CU1. Hind wing with vein 1-M 1.1–1.2× as long as M+CU, 3.65–3.9× as long as 1r-m. First tergite 3.5–3.8× as long as apical width. Body color predominantly brown. Brazil ( Figs 9–11 )................................................... Coelinius canastra Souza-Gessner & Penteado-Dias (♀, ♂)

- Frons rugose. Labial palp 4-segmented. Maxillary palp 6-segmented, 0.6–0.8× as long as head high, third segment 1.25–1.8× as long as fourth. Fore wing with vein cu-a 1.2–1.6× as long as 1-CU1. Hind wing with vein 1-M 0.6–0.9× as long as M+CU, 2.8–4.0× as long as 1r-m. First tergite 2.7–3.2× as long as apical width. Body color predominantly black. Brazil ( Figs 12–14 )................................................... Coelinius itamonte Souza-Gessner & Penteado-Dias (♀, ♂)

Figures

FIGURES 9–23. 9–11. Coelinius canastra Souza-Gessner & Penteado-Dias; 12–14. Coelinius itamonte Souza-Gessner & Penteado-Dias; 15–17. Coelinius kali Souza-Gessner & Penteado-Dias; 18–20. Coelinius longicephalus sp. nov.; 21–23. Coelinius lux Souza-Gessner & Penteado-Dias; 9, 12, 15, 18, 21 head, dorsal view, scale bar = 0.5 mm; 10, 13, 16, 19, 22 head, lateral view, scale bar = 0.5 mm; 11, 14, 17, 20, 23 mandible, lateral view, scale bar = 0.2 mm.

FIGURES 2–7. Coelinius longicephalus sp. nov. (2–5 and 7 female, holotype; 6 male, paratype). 2. Head and mesosoma, dorsal view. 3. Head and mesosoma, lateral view. 4. Head and basal antennae, anterior view. 5. Propodeum, dorsal view. 6. First metassomal tergite, dorsal view. 7. Apex metasomal, lateral view.