Euplectrus annettewalkerae
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Ordo: Hymenoptera
Familia: Eulophidae
Genus: Euplectrus
Name
Euplectrus annettewalkerae Hansson sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Material
Holotype a female labeled “COSTA RICA: Guanacaste, ACG, Sector Pitilla, Medrano, 19.i.2012, R. Calero, ex Tyrissa Poole01 eating Senegalia tenuifolia, sibling of wasp DHJPAR0046917, 12-SRNP-70154” (BMNH). PARATYPE: 1♂ with same label data as holotype (BMNH).
Diagnosis
Lower face with median part yellowish-brown in upper ½, dark brown in lower ½, pale area reaching to outer lateral margin of toruli (Figs 105, 106); legs yellowish-brown (Fig. 104); petiole 1.1× as long as wide; gaster dark brown, anterior ½ with a dusky pale spot medially (Figs 107, 108); male antenna with scape expanded and widest medially, 2.8× as long as wide (Fig. 110).
Description
Female. Length of body 1.7 mm. Antenna with scape yellowish-white in basal ½ and yellowish-brown in apical ½, pedicel and flagellomere 1 yellowish-brown, 2–6 dark brown (Fig. 109). Mandibles and palpi white. Head black and shiny, lower face with median part yellowish-brown in upper ½, dark brown in lower ½, pale area reaching to outer lateral margin of toruli, parts between pale area and eyes black (Fig. 105). Frons close to eyes with two rows of setae (Fig. 115). Vertex smooth (Fig. 116). Occipital margin rounded (Fig. 116).
Mesosoma black and shiny (Fig. 104). Each sidelobe of mesoscutum with 16 setae. Scutellum 0.9× as long as wide; with weak engraved reticulation, posterior margin smooth (Fig. 117). Dorsellum anteriorly with a narrow groove that is divided by longitudinal carinae (Fig. 738), groove medially 0.2× as long as length of dorsellum. Propodeum smooth (Fig. 738); anteromedially with a semicircular cup; propodeal callus with six setae. Legs yellowish-brown (Fig. 104). Fore wing: costal cell on ventral surface with one row of setae, and margin with two setae close to marginal vein; with 12 admarginal setae, in one row.
Gaster dark brown, anterior ½ with a dusky pale spot medially (Fig. 107).
Ratios. HE/MS/WM = 1.8/1.0/1.0; POL/OOL/POO = 5.3/3.4/1.0; OOL/DO = 1.3; WE/WF/WH/HH = 1.0/2.3/4.2/3.0; WH/WT = 1.1; PM/ST = 1.5; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 3.8/2.4/6.2/2.0/1.4/1.0/1.6; LP/WP = 1.1; MM/LG = 1.4.
Male. Length of body 1.4 mm. Scape expanded and widest medially (Fig. 110), sensory pores confined to ventral margin; sensory area pale as scape. Otherwise similar to female except shorter gaster.
Ratios. LC/WS = 2.8; MM/LG = 1.5.
Hosts and biology
Feeding on penultimate instar larva of Tyrissa Poole01 (Erebidae) feeding on Senegalia tenuifolia (Fabaceae), parasitoid cocoons stuck to host larva cuticle and leaf.
Distribution
Costa Rica (Guanacaste Province).
Etymology
This species is named after Annette K. Walker, in recognition of her contribution to the understanding of ACG Hymenoptera taxonomy.
Original Description
- Hansson, C; Smith, M; Janzen, D; Hallwachs, W; 2015: Integrative taxonomy of New World Euplectrus Westwood (Hymenoptera, Eulophidae), with focus on 55 new species from Area de Conservación Guanacaste, northwestern Costa Rica ZooKeys, (485): 1-236. doi
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