Grotiusomyia phalaros, 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 : 54-55

Grotiusomyia phalaros sp. nov.

Figs 14 , 37, 38 , 65, 66 , 89 , 106, 111

Diagnosis. Female: mandibles yellowish-brown with a large tooth at apex and with a row of small teeth above large tooth ( Fig. 111 ); flagellum dark brown, 1.1× as long as width of mesoscutum, F4 1.5× as long as wide, apex of clava pointed ( Figs 14 , 65 ); frons between scrobes and eyes and vertex with weak reticulation ( Figs 89 , 106 ); occipital margin with a sharp carina throughout ( Fig. 89 ); mesoscutum and mesoscutellum with same colour and reticulation ( Fig. 37 ); mesoscutellum convex; dorsellum flat, smooth and shiny, posterior margin evenly rounded with small dents; fore wing with 4–5 setae in apico-dorsal part of costal cell, completely hyaline ( Fig. 14 ); fore coxa yellowish-white with base brown, mid coxa yellowish-white ( Fig. 14 ); gaster ( Fig. 37 ) 2.0× as long as wide; Gt 1 0.4× as long as length of gaster, dorsal surface smooth and shiny, posterior margin curved slightly forwards; Gt 6 0.2× as long as length of gaster with anterior part 2.0× as wide as width of posterior part, posterior margin straight with edge blunt. Male: mesoscutum and mesoscutellum metallic purple ( Fig. 38 ); gaster with a pale spot in medio-basal part ( Fig. 38 ).

Description (female holotype). Length 1.6 mm. Frons and vertex with weak reticulation and shiny, 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 a sharp carina throughout. Dorsellum flat, smooth and shiny, posterior margin evenly rounded with small dents. Propodeal callus with six setae. Fore wing with five setae on dorsal surface of submarginal vein; with 16 admarginal setae; costal cell with 20 setae on ventral surface, in two rows, apico-dorsal margin with four setae; speculum small and closed below. Gaster long ovate; Gt 1 smooth and shiny, remaining tergites with weak reticulation; Gt 1 with posterior margin curved slightly forwards, Gt 6 with posterior margin straight.

Colour. Frons golden-green, vertex metallic bluish-green. Mandibles yellowish-brown. Antennae with scape and pedicel yellowish-brown, flagellum dark brown. Mesosoma golden-green. Legs with fore coxa yellowish-white with base brown, mid coxa yellowish-white, hind coxa black with metallic tinges; trochanters yellowish-white; femora, tibiae and tarsi yellowish-brown. Gaster with Gt 1 metallic blue, remaining tergites golden-purple.

Relative measurements: head length, dorsal view 22; head length, frontal view 32; head width 42; POL 8; OOL 4.5; mouth width 14; malar space 3.5; eye length 24.5; lateral ocellus diameter 4.5; scape length 25; scape width 3.5; pedicel length 5; pedicel width. dorsal view 3; flagellum length 37; F1 length 6; F1 width 4; F2 length 6; F2 width 4; F3 length 6; F3 width 4; F4 length 6; F4 width 4; clava length 11; clava width 4.5; pronotum length 14; pronotum width 26; mesosoma length 54; mesosoma width 34; midlobe of mesoscutum length 20; mesoscutellum length 19; mesoscutellum width 18; propodeum length 12; hind tibia length 34; hind tibial spur1 length 8; hind tibial spur2 length 3.5; hind tarsus length 27; hind basitarsus length 7; fore wing length 100; fore wing width 42; costal cell length 30; costal cell width 2; marginal vein length 32; postmarginal vein length 12; stigmal vein length 8; Gt 1 length 19; Gt 6 length 11; Gt 6 width at base 19; Gt 6 width at apex 9.5; gaster length 56; gaster width 28.

Variation. Length of body 1.2–1.7 mm. Costal cell with 4–5 setae in apico-dorsal part. Propodeal callus with 6–7 setae.

Male. Length 0.9–1.3 mm. Mesoscutum and mesoscutellum metallic purple. Fore and hind coxae dark brown. Gt 1-2 yellowish-white to yellowish-brown with lateral margins dark brown, Gt 2 also with posterior margin dark brown. Otherwise as in female.

Relative measurements: head length, dorsal view 15; head width 30; eye length 17; scape length 11; scape width 3; flagellum length 28; F1 length 3.5; F1 width 2.5; F2 length 4; F2 width 3; F3 length 4; F3 width 3.2; F4 length 4; F4 width 3.5; clava length 10; clava width 4; Gt 1 length 13; gaster length 40; gaster width 16.

Distribution. Belize, Costa Rica.

Etymology. From the Greek phalaros = having a white patch, referring to the mediobasal pale patch on male gaster.

Material. Holotype female: COSTA RICA, Puntarenas, Reserva Privada Karen Mogensen , 9º52′N, 85º03′W, 305m, 23-24.ii.2013, J.S. Noyes ( NHMUK) . Paratypes (76♀ 120♁, CNC, MZLU, MZUCR, NHMUK) : 15♀ 11♁ with same label data as holotype; following from same locality as holotype but collected 11-21.ii.2005 (6♀ 12♁) , 14-15.ii.2005 (4♀ 12♁) , 23-24.ii.2007 (4♀ 5♁), 19-20.ii.2009 (15♀ 1♁), 17-18.ii.2011 (3♀ 2♁), 19-20.ii.2016 (2♀), 11-12.ii.2018 (1♀); 1♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, Wilson Botanico , 8º47′N, 82º58′W, 1000–1300m, 15-16.ii.2012 , J.S. Noyes; following from same locality as previous but collected 18-22.iii.1990 (3♁) , 7-19.ii.2007 (1♁) ; 3♀ COSTA RICA, Puntarenas, Reserva Absoluta Cabo Blanco , 9º35′N, 85º06′W, 30m, 16- 17.ii.2009 , J.S. Noyes; 1♀ COSTA RICA, Puntarenas, Los Charcos de Osa , 8º40′N, 83º36′W, 50m, 18-19.ii.2008 , J.S. Noyes; 1♀ COSTA RICA, Puntarenas, Golfito, Estación Agujas. LS 526550 _276750, 250- 350m, 15.viii-15.ix.1999 , J.Azofeifa; 1♀ COSTA RICA, Puntarenas, Estación Los Patos, Sendero a Sirena, LS 509200 _275700, 18.iii-5.v.2001 , J. Azofeifa; 1♀ COSTA RICA, Puntarenas, Golfo Dulce , 10km W Piedras Blancas, 100m, iii-v.1989, P. Hanson ; 1♀ COSTA RICA, Puntarenas, Golfo Dulce , 24km W Piedras Blancas, 8º46′N, 83º24′W, 200m, ix.1991 , P. Hanson; 2♀ 1♁ COSTA RICA, Heredia, Estación Biológica La Selva , 50m, 10º26′N, 84º01′W, 14.ix.1995 ; following from same locality as previous but collected 21.i-2.ii.1991 (7♁) ; 29.ix.1995 (1♁) , x.1995 (3♀), 15.iii.1996 (1♀), 27-28.ii.2001 (1♁), 30-31.iii.2002 (2♁), 27-28.ii.2003 (2♁), 23-24.ii.2005 (1♀ 2♁), 23.ii.2006 (1♁), 28-29.ii.2008 (1♀ 8♁), 24- 25.ii.2011 (1♀ 6♁); 6♁ COSTA RICA, Limón, PuertoViejo , 3km E Hotel Punta Cocles 27.ii.1991 , J.S. Noyes; 1♀ 10♁ COSTA RICA, Limón, Reserva Biológica Hitoy Cerere , 9º40′N, 83º02′W, 100m, 14-18.i.1991 , J.S. Noyes; following from same locality as previous but collected 17.ix-10.x.1999 (1♀) , 24-25.ii.2004 (1♀ 12♁) , 20-22.ii.2006 (2♀ 10♁), 24-26.ii.2008 (1♀ 3♁), 22-23.ii.2010 (1♁); 1♀ COSTA RICA, Limón, Parque Nacional Cahuita , 9º43′N, 82º49′W, 24.ii.2010 , J.S. Noyes. 1♀ BELIZE, Las Cuevas, iv.1995 , T. King & A. Howe .

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 37–43. Grotiusomyia spp. nov.; 37–42. Body in dorsal view; 37–38. G. phalaros; 37 female holotype; 38 male paratype; 39–40. G. pilosa; 39 female paratype; 40 male paratype; 41–42. G. reticulata; 41 female paratype; 42 male paratype; 43 G. pilosa, dorsellum+propodeum in dorsal view, female paratype.

FIGURES 65–70. Grotiusomyia spp. nov., head+antenna in lateral view; 65–66. G. phalaros; 65 female holotype; 66 male paratype; 67–68. G. pilosa; 67 male paratype; 68 female paratype; 69 G. reticulata, male paratype; 70 G. rubii, female holotype.

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.