Grotiusomyia noyesi, Hansson, 2023

Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 53-54

Grotiusomyia noyesi sp. nov.

Figs 13 , 35, 36 , 63, 64 , 88 , 105

Diagnosis. Mandibles yellowish-brown with a large tooth at apex and with a row of small teeth above large tooth (as in Fig. 111 ); flagellum dark brown, 1.5× as long as width of mesoscutum, F4 1.1× as long as wide, apex of clava pointed ( Figs 13 , 63 ); frons between scrobes and eyes and vertex with strong reticulation ( Figs 88 , 105 ); occipital margin with an edge behind ocellar triangle ( Fig. 88 ); mesoscutum with strong reticulation with large meshes compared to mesoscutellum that has weak reticulation and small meshes ( Fig. 35 ); mesoscutum metallic bluish-green, mesoscutellum golden-purple; mesoscutellum convex; dorsellum flat, smooth and shiny, posterior margin rounded with median part slightly pointed; fore wing with 3–4 setae in apico-dorsal part of costal cell, completely hyaline ( Fig. 13 ); fore and mid coxae yellowish-white ( Fig. 13 ); gaster ( Fig. 35 ) 2.3× as long as wide; Gt 1 0.3× as long as length of gaster, dorsal surface smooth, posterior margin straight; Gt 6 0.2× as long as length of gaster with anterior part 1.6× as wide as width of posterior part, posterior margin straight with sharp edge. Male: gaster with a pale spot in medio-basal part ( Fig. 36 ).

Description (female holotype). Length 1.3 mm. Frons between scrobes and eyes and vertex with strong reticulation, scrobes smooth, frons with ±evenly scattered setae between scrobes and eyes. Mandibles with a large tooth at apex and with a row of small teeth above large tooth. Occipital margin with an edge behind ocellar triangle. Mesoscutellum with weak reticulation and small meshes compared to mesoscutum. Dorsellum flat, smooth and shiny, posterior margin rounded with median part slightly pointed. Propodeal callus with six setae. Fore wing with five setae on dorsal surface of submarginal vein; with nine admarginal setae; costal cell with 16 setae on ventral surface, partly in two rows, apico-dorsal margin with three setae; speculum closed below. Gaster elongate; Gt 1 smooth and shiny, remaining tergites with very weak reticulation; Gt 1 and Gt 6 with posterior margin straight.

Colour. Head metallic bluish-green. Mandibles yellowish-brown.Antennae with scape yellowish-white, pedicel pale yellowish-brown, flagellum dark brown. Mesoscutum metallic bluish-green, mesoscutellum golden-purple, propodeum golden-green. Legs with hind coxa dark brown, remaining parts of legs yellowish-white. Gaster with Gt

1 dark brown with metallic blue tinges, remaining tergites dark brown.

Relative measurements: head length, dorsal view 16; head length, frontal view 23; head width 32; POL 6.5; OOL 4; mouth width 10; malar space 4.5; eye length 17.5; lateral ocellus diameter 3.5; scape length 17; scape width 3; pedicel length 4.5; pedicel width. dorsal view 3; flagellum length 37; F1 length 4; F1 width 3.5; F2 length 4.5; F2 width 4; F3 length 4.5; F3 width 4; F4 length 4.5; F4 width 4; clava length 8.5; clava width 4.5; pronotum length 9; pronotum width 19.5; mesosoma length 40; mesosoma width 24; midlobe of mesoscutum length 11.5; mesoscutellum length 12; mesoscutellum width 12.5; propodeum length 8.5; hind tibia length 23; hind tibial spur1 length 4.5; hind tibial spur2 length 3; hind tarsus length 18; hind basitarsus length 4.5; fore wing length 68; fore wing width 32; costal cell length 20; costal cell width 2; marginal vein length 21; postmarginal vein length 9; stigmal vein length 5.5; Gt 1 length 13; Gt 6 length 11; Gt 6 width at base 13; Gt 6 width at apex 8; gaster length 46; gaster width 20.

Variation. Length 1.1–1.3 mm. Costal cell with 3–4 setae in apico-dorsal part. No variation in number of setae on propodeal callus.

Male. Length 1.1 mm. Fore coxa dark brown. Gt 1-2 yellowish-white with lateral margins dark brown. Otherwise as in female.

Relative measurements: head length, dorsal view 16; head width 33; eye length 17; scape length 11; scape width 3; flagellum length 30; F1 length 4.5; F1 width 3; F2 length 4.5; F2 width 3.5; F3 length 5; F3 width 4; F4 length 4.5; F4 width 4; clava length 9; clava width 4; Gt 1 length 11; gaster length 35; gaster width 20.

Distribution. Costa Rica.

Etymology. Named in honor of John S. Noyes, collector of the type series.

Material. Holotype female: COSTA RICA, Puntarenas, Reserva Privada Karen Mogensen , 9º52′N, 85º03′W, 305m, 23-24.ii.2007, J.S. Noyes ( NHMUK) . Paratypes (2♀ 1♁, ( MZLU, NHMUK): 1♁ from same locality as holotype but collected 14-15.ii.2005; 2♀ COSTA RICA, Puntarenas, Reserva Absoluta Cabo Blanco , 9º35′N, 85º06′W, 30m, 16-17.ii.2009, J.S. Noyes.

Figures

FIGURES 13–18. Grotiusomyia spp. nov., body in lateral view, females; 13 G. noyesi, paratype; 14 G. phalaros, paratype; 15 G. pilosa, paratype; 16 G. reticulata, paratype; 17 G. septentrionalis, holotype; 18 G. rubii, holotype.

FIGURES 31–36. Grotiusomyia spp. nov., body in dorsal view; 31 G. jimenezi, female holotype; 32 G. lascrucensis, female holotype; 33 G. leucaena, female paratype; 34 G. nicoyae, female holotype; 35–36. G. noyesi; 35 female holotype; 36 male paratype.

FIGURES 58–64. Grotiusomyia spp. nov., head+antenna in lateral view; 58 G. hansoni, female holotype; 59 G. lascrucensis, female holotype; 60 G. leucaena, female holotype; 61 G. nicoyae, female holotype; 62 G. reticulata, female paratype; 63–64. G. noyesi; 63 female paratype; 64 male paratype.

FIGURES 84–91. Grotiusomyia spp. nov., vertex, females; 84 G. jimenezi, holotype; 85 G. lascrucensis, holotype; 86 G. leucaena, paratype; 87 G. nicoyae, holotype; 88 G. noyesi, holotype; 89 G. phalaros, holotype; 90 G. pilosa, holotype; 91 G. reticulata, holotype.

FIGURES 103–112. Grotiusomyia spp. nov., females; 103–110. Head in frontal view; 103 G. leucaena, paratype; 104 G. nicoyae, paratype; 105 G. noyesi, holotype; 106 G. phalaros, paratype; 107 G. pilosa, paratype; 108 G. reticulata, paratype; 109 G. rubii, holotype; 110 G. septentrionalis, paratype; 111–112. Mandibles; 111 G. phalaros, paratype; 112 G. lascrucensis, holotype.