Grotea goianiense Herrera-Flórez, 2019

Herrera-Flórez, Andrés Fabián & Penteado-Dias, Angelica, 2019, New species of Grotea Cresson (Hymenoptera: Ichneumonidae: Labeninae) from Brazil and Suriname, Zootaxa 4613 (1), pp. 53-70 : 54-56

Grotea goianiense Herrera-Flórez sp. n.

( Fig. 1 )

Material examined. Holotype: female, BRAZIL: Fazenda Aceiro Jatai, Goiás, X-1962 Expedicão Departamento Zoologia ( DCBU).

Diagnosis. Head in dorsal view with gena slightly concave; gena with ventroposterior angle modified to form a conspicuous sharp tooth; antenna with 49 flagellomeres. Propodeum with anterior transverse carina centrally indented.

Description. Female.

Head. Posterior ocellus separated from eye by 1.5× its own maximum diameter; postgenal process present, laterally distinct (gena close to junction of occipital and hypostomal carinae with ventroposterior angle modified to form a conspicuous acute tooth); antenna with 49 flagellomeres, flagellomere I 0.9× as long as flagellomeres II and III combined.

Mesosoma. Mesosoma 3.25 mm; mesoscutum smooth with isolated inconspicuous punctures; scutellum in profile convex. Propodeum with pleural carina present; posterior transverse carina, centrally absent; lateral longitudinal carina absent; area spiracularis enclosed, posteriorly and laterally, though mesally not clearly separated from area externa; area lateralis not enclosed internally, rectangular, about 2.6× as long as broad; with posterolateral corner at right angle close to lobe surrounding coxal insertion. Hind tibia 2.1 mm. Mesosoma 1.03× as long as tergite I. Fore wing 7.5 mm long, hind wing 4.8 mm.

Metasoma. Metasoma with tergite I slender (3.15 mm), slightly shorter than mesosoma (from pronotal collar to posterior margin of propodeum). Ovipositor 4.3 mm; visible part of the ovipositor 2.05× as long as posterior tibia.

Coloration ( Figs 1 ).

Head light yellow, apex of mandibles black; frons, interocellar area and part of upper part of gena brown; antenna mostly brown, scape and pedicel ventrally yellow. Mesosoma mostly orange: pronotum with anterior and posterior margins narrowly yellow; propodeum mostly yellow, with a small orange spot toward the posterior margin; mesopleuron with most of its anterodorsal part, a spot at the ventroposterior margin, and area delineated by the mesopleural suture (i.e. after that suture) yellow; mesoscutum with a median yellow spot on midline towards posterior margin; scutellum and dorsellum yellow; propodeum mostly orange, posterior margin yellow. Fore leg yellow. Mid legs mostly yellow with brown spots on trochanter (ventrally); femur and tibia partly brown on inner face; tarsomeres I-IV mostly brown, distally yellow; tarsomere V brown. Hind leg with coxa mostly yellow, centrally brown; trochanter mostly brown, distally yellow; trochantellus yellow; femur mostly (2/3) orange, distally (1/3) yellow; tibia mostly brown, distal dorsal apex yellow; tarsomeres mostly brown with some yellow spots at distal apex of tarsomeres I and II. Wings hyaline, pterostigma brown. Metasoma mostly brown: tergite I with a yellow stripe after spiracle level, not reaching the posterior apex; tergites I-V with triangular yellow spots on distal margin; tergites VI-VIII with yellow stripes distally; laterotergites IV-VIII partially yellow. Ovipositor sheath dark brown.

Remarks. Grotea goianiense sp. n. most closely resembles G. paulista sp. n. and G. perplexa , but differs from G. paulista in the shape of the genal tooth which is sharp in G. goianiense and spatulate in G. paulista ( Fig. 4 ). It differs from G. perplexa in the shape of the tooth which is sharp in G. goianiense and quadrate in G. perplexa , in the shape of the anterior transverse carina (centrally indented in G. goianiense and forming a smooth arc in G. perplexa ( Fig. 22 )). The color pattern between the three mentioned species (i.e. G. goianiense sp. n., G. paulista sp. n. and G. perplexa ) is also clearly different.

Etymology. The name refers to the type locality: Goiás, state of Brazil.

Figures

FIGURE 1. Grotea goianiense sp. n. Herrera-Flórez, Habitus (lateral view); FIGURE 2. Grotea paulista sp. n. Herrera-Flórez, Habitus (lateral view).

FIGURES 3–5. Grotea paulista sp. n. Herrera-Flórez, 3 Mesosoma; 4 Gena & pronotum (lateral view); 5 Head & mesosoma (lateral view).

FIGURES 22–24. Grotea perplexa Slobodchikoff 1970 (Holotype).