Clistopyga eldae, Gauld, 1991

Bordera, Santiago & Palacio, Edgard, 2019, The Neotropical species of Clistopyga (Hymenoptera, Ichneumonidae, Pimplinae). Part IV: the C. eldae species group, with the description of three new species, Zootaxa 4564 (2), pp. 327-346 : 328

Key to the species of the C. eldae species-group

1. Females............................................................................................. 2

-. Males (Males of C. marcapatensis and C. polita are unknown)................................................. 5

2(1). Tergite I strongly rugulose laterally, tergite II coarsely and closely punctate centrally ( Fig. 2A ). Hind wing with distal abscissa of Cu 1 absent, cu-a +first abscissa of Cu 1 not angled, straight, slightly reclivous ( Fig. 3A )............... C. eldae Gauld

- Tergite I and II smooth and shiny, with fine setiferous punctures ( Figs 2 B–D). Hind wing with distal abscissa of Cu 1 present and pigmented, joining cu -a +first abscissa of Cu 1 ( Figs 3 B–D)................................................ 3

3(2). Distal abscissa of Cu 1 joining cu -a + Cu 1 at centre ( Fig. 3B ). Ovipositor bent up at distal 0.5, 1.25–1.28× as long as hind tibia ( Fig. 5E ). Ovipositor sheath 1.0–1.11× as long as hind tibia.................... C. catarina Bordera & Palacio sp. nov.

-. Distal abscissa of Cu 1 joining cu -a + Cu 1 clearly below centre ( Figs 3C, D ). Ovipositor weakly up-curved at apical 0.3–0.4, about same length as hind tibia ( Figs 7F , 8E ). Ovipositor sheath about 0.78–0.8× as long as hind tibia................. 4

4(3). Submetapleural carina strong and complete ( Fig. 4C ). Face with fine and moderately dense setiferous punctures ( Fig. 7C ). Occipital carina only weakly insinuated dorsally ( Figs 7A, B, D ) or absent. Tergite I 1.86–1.95× as long as posteriorly broad. Ventral two thirds of gena white ( Figs 7A, E )............................ C. marcapatensis Bordera & Palacio sp. nov.

-. Submetapleural carina strong but only present at anterior third of metapleuron ( Fig. 4D , arrow). Face smooth with very inconspicuous fine and scattered punctures ( Fig 8B ). Occipital carina weak but complete ( Fig. 8A, C ). Tergite I 2.22× as long as posteriorly broad. Gena almost entirely dark brown to black, except small yellow-orange mark just behind base of mandible ( Fig. 8A )................................................................... C. polita Bordera & Palacio sp. nov.

5(1). Lower part of gena deeply concave, hypostomal carina conspicuously developed as a translucent sheet ( Fig. 10A , arrow). Hind wing with distal abscissa of Cu 1 present and pigmented, intercepting cu -a + Cu 1 about centre, cu -a + Cu 1 reclivous ( Fig. 10C ). Tergite I smooth and shiny ( Fig. 10E ), with fine and relatively dense setiferous punctures laterally........................................................................................... C. catarina Bordera & Palacio sp. nov.

-. Lower part of gena not deeply concave, hypostomal carina not specially developed ( Fig. 10B , arrow). Hind wing with distal abscissa of Cu 1 absent, cu-a + first abscissa of Cu 1 not angled, straight and weakly reclivous ( Fig. 10D ). Tergite I strongly rugulose punctate laterally ( Fig. 10F )............................................................. C. eldae Gauld

Figures

FIGURE 2. Morphology of Clistopyga spp., tergites I–III, females: A—C. eldae (paratype); B—C. catarina (paratype); C—C. marcapatensis (holotype); D—C. polita (holotype). Scale bar: 0.3 mm (A); 0.5 mm (B–D).

FIGURE 3. Morphology of Clistopyga spp., hind wing, females: A—C. eldae (paratype); B—C. catarina (paratype); C—C. marcapatensis (paratype); D—C. polita (holotype). Scale bar: 0.3 mm.

FIGURE 4. Morphology of Clistopyga spp., metapleuron, females: A—C. eldae (paratype); B—C. catarina (paratype); C—C. marcapatensis (holotype); D—C. polita (holotype) (arrow: submetapleural carina). Scale bar: 0.3 mm.

FIGURE 5. Morphology of Clistopyga catarina, female paratype: A–B, head; A—lateral view, B—frontal view. C–D, head and mesosoma; C—dorsal view, D—lateral view. E–F, metasoma; E—lateral view, F—dorsal view. Scale bar: 0.3 mm (A–D); 1 mm (E, F).

FIGURE 7. Morphology of Clistopyga marcapatensis, female: A–C, head; A—lateral view (holotype), B—dorsal view (paratype), C—frontal view (paratype), D–E, head and mesosoma; D—dorsal view (paratype), E—lateral view (holotype). F– G, metasoma (paratype); F—lateral view, G— dorsal view. Scale bar: 0.3 mm (A–D); 0.5 mm (E, F).

FIGURE 8. Morphology of Clistopyga polita, female holotype: A–B, head; A—lateral view, B—frontal view. C–D, head and mesosoma; C—dorsal view, D—lateral view. E–F, metasoma; E—lateral view, F—dorsal view. Scale bar: 0.3 mm (A–C); 1 mm (D–F).

FIGURE 10. Morphology of Clistopyga spp., males, paratypes: A–B, head; A—C. catarina (arrow: lower part of gena with concavity), B—C. eldae (arrow: lower part of gena without concavity). C–D, hind wing; C—C. catarina, D —C. eldae. E—F, tergites I–III; E —C. catarina, F— C. eldae. Scale bar: 0.2 mm (A–B); 0.3 mm (C–F).