Euplectrus davidwahli Hansson

Hansson, Christer, Smith, M. Alex, Janzen, Daniel H. & Hallwachs, Winnie, 2015, Integrative taxonomy of New World Euplectrus Westwood (Hymenoptera, Eulophidae), with focus on 55 new species from Area de Conservacion Guanacaste, northwestern Costa Rica, ZooKeys 485, pp. 1-236 : 39-40

Taxon classification Animalia Hymenoptera Eulophidae

Euplectrus davidwahli Hansson sp. n. Figures 14-15, 223-229, 234-236, 750

Material.

Holotype a female labeled "COSTA RICA: Guanacaste, ACG, Sector San Cristobal, Tajo Angeles, 25.x.2010, G. Sihezar, ex Hypena Poole36 eating Drymonia macrophylla , sibling of wasp DHJPAR0042122, 10-SRNP-6218" (BMNH). PARATYPES: 10♀ 5♂, COSTA RICA (ACG): Guanacaste: 6♀ 1♂ with same label data as holotype (BMNH, INBio, MZLU, USNM); Sector Pitilla: Estación Pitilla, 1.iii.2011, M. Rios, ex Hypena Poole36 eating Drymonia alloplectoides , sibling of wasp DHJPAR0042397, 11-SRNP-30665 (1♀ 1♂, in INBio); Estación Quica, 8.i.2013, R. Calero, ex Hypena Poole36 eating Drymonia alloplectoides , sibling of wasp DHJPAR0051510, 13-SRNP-70030 (1♀ 2♂, in BMNH); Quebradona, 7.i.2012, R. Calero, ex Hypena Poole36 eating Columnea hirta , 12-SRNP-70083 and 12-SRNP-70084, no barcode (2♀ 1♂, in CNC, INBio).

Diagnosis.

Lower face with median part reddish-brown (female, Fig. 224) or yellowish-brown (male, Fig. 225), pale area reaching to outer lateral margins of toruli; legs yellowish-brown, fore and mid coxae yellowish-white in female (Fig. 223), white in male; petiole 1.0 –1.1× as long as wide; gaster dark brown with a yellowish-white ± T-shaped spot in anterior ½ in female (Fig. 226), with anterior ½ white with dark brown lateral margins and posterior ½ dark brown in male (Fig. 227); male antenna with scape slightly expanded and widest in the middle, 3.0 × as long as wide (Fig. 229).

Description.

Female. Length of body 2.5 mm. Antenna with scape yellowish-brown with base yellowish-white, pedicel yellowish-brown, flagellomeres dark brown (Fig. 228). Mandibles and palpi yellowish-white. Head black and shiny, lower face with median part reddish-brown, pale area reaching to outer lateral margins of toruli, with parts between pale area and eyes black (Fig. 224). Frons close to eyes with two rows of setae (Fig. 234). Vertex with very weak reticulation (Fig. 235). Occipital margin with a carina behind ocellar triangle (Fig. 235).

Mesosoma black and shiny (Fig. 223). Each sidelobe of mesoscutum with 14 setae. Scutellum 0.9 × as long as wide; with weak engraved reticulation with slightly elongate meshes (Fig. 236). Dorsellum anteriorly with a groove that is divided by longitudinal carinae (Fig. 750), groove medially 0.3 × as long as length of dorsellum. Propodeum with very weak reticulation (Fig. 750); anteromedially with a transverse semicircular cup; propodeal callus with eight setae. Legs yellowish-brown with fore and mid coxae yellowish- white (Fig. 223). Fore wing: costal cell with two rows of setae on ventral surface, and margin with five setae close to marginal vein; with 15 admarginal setae, in one row.

Gaster dark brown with a yellowish-white ± T-shaped spot in anterior ½ (Fig. 226).

Ratios. HE/MS/WM = 2.1/1.0/1.1; POL/OOL/POO = 7.4/4.2/1.0; OOL/DO = 1.2; WE/WF/WH/HH = 1.0/2.5/4.6/3.5; WH/WT = 1.1; PM/ST = 2.0; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 3.7/2.0/6.0/2.0/1.4/1.0/1.4; LP/WP = 1.0-1.1; MM/LG = 0.9.

Male. Length of body 2.1 mm. Scape yellowish-white, slightly expanded and widest in the middle (Fig. 229), sensory pores confined to apicoventral ¾, sensory area pale as scape. Otherwise similar to female except lower face with pale part yellowish-brown (Fig. 225), fore and mid coxae white; gaster with anterior ½ white with dark brown lateral margins (Fig. 227).

Ratios. LC/WS = 3.0; MM/LG = 0.9.

Hosts and biology.

Feeding on last instar larva of Hypena Poole36 ( Erebidae ) feeding on Drymonia macrophylla , Drymonia alloplectoides and Columnea hirta ( Gesneriaceae ), parasitoid cocoons stuck to cadaver and leaf substrate.

Distribution.

Costa Rica (Guanacaste Province).

Etymology.

This species is named after David B. Wahl, in recognition of his contribution to the understanding of ACG Hymenoptera taxonomy.