Gasteruption masneri, Macedo, 2011

Macedo, Antonio Carlos Cruz, 2011, A revision of Gasteruption Latreille (Hymenoptera: Gasteruptiidae) in the Neotropical Region 3030, Zootaxa 3030 (1), pp. 1-62 : 40-41

Gasteruption masneri n. sp. ( Fig. 17 )

Etymology. The epithet for this species is in honor of Dr. Lubomir Masner, Canadian National Collection of Insects, who collected the unique specimen of this species.

Diagnosis. Differs from G. glauciae by the head wider than long ( Fig. 17a ); the occipital carina narrow dorsally and wider laterally ( Fig. 17b ); the propleuron without striae; and the propodeum longitudinal carina distinct. Differs from other Neotropical species by the propodeum areolate; the mesoscutum punctulate ( Fig. 17c ); the metacoxa striate; the occipital carina narrow dorsally and wider laterally; the head wider than long; the hind tarsus partially yellow; the ovipositor sheath longer than the metasoma ( Fig. 17e ); and the fore wing discal cell absent.

Description. Female ( Fig. 17e ). Length: 12.6 mm (n=1); ovipositor sheath length 0.94 × body length.

Head. Subtrapezoidal in dorsal view, wider than long ( Fig. 17a ), punctulate; mandible pre-apical tooth distinct; malar space short, almost separated from gena; posterior ocellus inserted at the level of upper eye margin; occipital carina narrow dorsally and wider laterally ( Fig. 17b ). Head length 1.17 × eye length; eye length 29.00 × malar space; distance from posterior ocellus to occipital margin 1.54 × distance between posterior ocelli; 1 st flagellomere 1.00 × as long as scape, 1.50 × as long as pedicel, 0.48 × as long as 2 nd flagellomere. Color: black, clypeus with anterior portion lighter than remaining, antenna dark brown.

Mesosoma. Propleuron imbricate; pronotal process distinct; pronotum imbricate, area between lobes crenulate; mesonotum rounded in lateral view ( Fig. 17d ); mesoscutum and mesoscutelum punctulate ( Fig. 17c ); mesepisternum imbricate dorsally and areolate ventrally; mesepimeron scrobiculate; metapleuron areolate, ventral region with a reduced smooth portion; propodeum areolate, longitudinal carina distinct; metacoxa finely striate. Mesosoma (excluding propleuron) 1.86 × as long as high; propleuron 1.63 × longer than its largest wide, 1.05 × pronotum length; metacoxa 2.52 × as long as wide; metatibia 4.80 × as long as wide, 1.45 × as long as femur, 3.33 × as long as 1 st tarsomere. Fore wing discal cell absent; hind wing with 3 hamuli, not equidistant. Color: black; fore and middle legs with coxa, trochanter, femur and tibia dark brown, tibia with a yellow longitudinal stripe, tarsus yellow; hind leg with coxa black, trochanter, femur and tibia dark brown, subbasal portion of tibia yellow, 1 st tarsomere yellow, with base dark brown, remaining tarsomeres yellow.

Metasoma. Imbricate, 3.19 × as long as mesosoma; subgenital sternun notched, Y-shaped; ovipositor sheath 1.47 × as long as metasoma. Color: dark brown dorsally and yellow brown ventrally; ovipositor sheath dark brown, with apex yellow brown.

Male. Unknown.

Geographic distribution: Dominican Republic.

Material examined. Holotype, female ( AEIC): DOMINICAN REPUBLIC: Pedernales, 17.I.1989, L. Masner.

Figures

FIGURE 17. Gasteruption masneri. a: head in dorsal view; b: head in lateral view; c: mesonotum in dorsal view; d: mesosoma in lateral view; e. habitus. Scale bar: 1.0 mm.