Euplectrus ivonae Schauff

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 : 90-91

Taxon classification Animalia Hymenoptera Eulophidae

Euplectrus ivonae Schauff Figures 426, 596-602, 610-612, 792

Euplectrus ivonae Schauff in Schauff & Janzen, 2001: 207-209. Holotype ♀ (INBio), not examined.

Material.

Type material: 6♀ 1♂ paratypes of Euplectrus ivonae (USNM). Additional material: COSTA RICA: 68♀ 5♂ feeding on Cropia cedica , Cropia connecta , Cropia hadenoides (BMNH, CNC, INBio, MZLU, MIUCR, USNM); caterpillar project voucher codes 90-SRNP-2196, 05-SRNP-46246, 06-SRNP-56342, 06-SRNP-56345, 12-SRNP-78168 (DHJPAR0051504).

Diagnosis.

Lower face yellowish-brown (female, Fig. 597) or white (male, Fig. 598), with a black stripe the width of smallest diameter of toruli close to eyes; scutellum with a small hump posteromedially (Fig. 612); dorsellum anteriorly with a very wide groove, medially 0.7 × as long as length of dorsellum (Fig. 792); legs yellowish-white with hind coxa and hind femur yellowish-brown (Fig. 596); petiole 0.8 × as long as wide; female gaster with anterior ½ yellowish-brown with dark brown lateral margins, posterior ½ dark brown with apex reddish-brown (Fig. 599), male gaster with anterior ½ white with dark brown anterolateral margins and posterior ½ dark brown (Fig. 600); male antenna with scape slightly expanded and widest above the middle and with base narrow, 3.4 × as long as wide (Fig. 602).

Description.

Female. Length of body 2.6 mm. Antenna with scape yellowish-white in basal ½, yellowish-brown in apical ½, pedicel and flagellomere 1 yellowish-brown, 2-6 dark brown dorsally and yellowish-brown ventrally (Fig. 601). Mandibles and palpi yellowish-white. Head black and shiny, lower face yellowish-brown with a black stripe the width of smallest diameter of toruli close to eyes (Fig. 597). Frons close to eyes with one row of setae that deviates away from eyes in upper part (Fig. 613). Vertex smooth (Fig. 614). Occipital margin with a carina behind ocellar triangle (Fig. 614).

Mesosoma black and shiny (Fig. 596). Each sidelobe of mesoscutum with 12 setae. Scutellum 1.0 × as long as wide; with weak engraved reticulation (Fig. 612). Dorsellum anteriorly with a very wide groove that is divided by longitudinal carinae (Fig. 792), groove medially 0.7 × as long as length of dorsellum. Propodeum with very weak reticulation (Fig. 792); anteromedially with a transverse semicircular cup; propodeal callus with ten setae. Legs yellowish-white with hind coxa and hind femur yellowish-brown (Fig. 596). Fore wing: costal cell on ventral surface with one row of setae, and margin with three setae close to marginal vein; with 13 admarginal setae, in one row.

Gaster with anterior ½ yellowish-brown with dark brown lateral margins, posterior ½ dark brown with apex reddish-brown (Fig. 599).

Ratios. HE/MS/WM = 2.6/1.0/1.4; POL/OOL/POO = 5.6/2.6/1.0; OOL/DO = 1.1; WE/WF/WH/HH = 1.0/2.4/4.2/3.3; WH/WT = 1.0; PM/ST = 1.5; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 4.6/2.8/8.0/2.7/1.7/1.0/2.0; LP/WP = 0.8; MM/LG = 0.9.

Male. Length of body 2.2 mm. Scape slightly expanded and widest above the middle and with base narrow (Fig. 602), sensory pores confined to apicoventral ⅔ (Fig. 426). Otherwise similar to female except lower face white (Fig. 598); gaster with anterior ½ white with dark brown anterolateral margins and posterior ½ dark brown (Fig. 600).

Ratios. LC/WS = 3.4; MM/LG = 0.9.

Hosts and biology.

Cropia cedica feeding on Cordia alliodora , Cropia connecta feeding on Cordia alliodora and Varronia inermis (host plants are Boraginaceae ), Cropia hadenoides feeding on Hyptis obtusifolia ( Lamiaceae ) (all new records), Euscirrhopterus poeyi feeding on Pisonia aculeata ( Nyctaginaceae ) ( Schauff and Janzen 2001) (all hosts are Noctuidae ).

Distribution.

Costa Rica (Guanacaste Province) ( Schauff and Janzen 2001).