Labania carolinae, Bortoni, Marco Aurélio, Castro, Clóvis Sormus De & Penteado-Dias, Angélica Maria, 2015

Bortoni, Marco Aurélio, Castro, Clóvis Sormus De & Penteado-Dias, Angélica Maria, 2015, The genus Labania Hedqvist 1963 (Hymenoptera, Braconidae: Doryctinae) with description of a new species from Brazil, Zootaxa 4007 (4), pp. 592-595 : 593-594

publication ID 10.11646/zootaxa.4007.4.10

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Labania carolinae

sp. nov.

Labania carolinae sp. n. Bortoni, Sormus de Castro & Penteado-Dias

Figs 1–5 View FIGURES 1 – 5

Material examined. Holotype. Female ( DCBU 28330): “ Brazil, Piauí, Piripiri, 30.X.2013, Parque Nacional Sete Cidades, 0 4o 08’37’’S 41o 41’55’’ W, Malaise trap; Carolina Rodrigues de Araújo col.” Paratypes ( DCBU 31301, 31304, 31306), three females, same data as holotype.

Description. Female ( Fig. 1 View FIGURES 1 – 5 ). Body length 1.1 mm; fore wing length 1.4 mm; ovipositor length 1.1 mm.

Head: Head width 2.1× median length (dorsal view), same width of mesoscutum ( Fig. 3 View FIGURES 1 – 5 ). Transverse diameter of eye 3.5× longer than temple. Ocelli small, arranged in an isosceles triangle. POL 1.2× Od, 0.5× OOL. Eye glabrous, 1.5× higher than broad. Height of malar space around 0.25× height of eye. Malar suture absent. Hypoclypeal depression rounded, as long as wide. Occipital carina complete, ventrally joined with hypostomal carina. One antenna broken, the other with 17 antennomeres. Scape 1.5× longer than its maximum width, first flagellomere 3.0× longer than apical width, as long as the second segment.

Mesosoma: Length of mesosoma 1.1× its height ( Fig. 2 View FIGURES 1 – 5 ). Pronotum short, with pronotal groove. Mesoscutum strongly declivous anteriorly and roundly elevated above pronotum ( Fig. 2 View FIGURES 1 – 5 ); length equal to maximum width ( Fig. 4 View FIGURES 1 – 5 ). Notauli not joining ( Fig. 3 View FIGURES 1 – 5 ). Pre-scutellar depression deep, with three carinae not clearly defined, about 0.25× as long as scutellum. Scutellum weakly convex. Precoxal sulcus absent.

Wings: Fore wing 3.2× longer than its maximum width. Pterostigma large, 4× longer than wide. Marginal cell long, 3.4× maximum width. Vein R1 1.3× longer than pterostigma. Vein r 0.7× as long as maximum width of pterostigma. Vein 3RSa straight in its length, slightly longer than the vein r. Vein 2RS absent. Vein (RS+M)a slightly curved. First discal cell 1.6× longer than wide. Vein 1M parallel to m-cu. Vein 1M 2.5× longer than vein 1RS, 2.0× longer than vein m-cu. Vein cu-a straight, interstitial to vein 1M. Subdiscal cell open distally, vein 2cu-a absent; vein 3CU arising below middle of subdiscal cell and not interstitial to vein 1CU. Hind wing 6.25× longer than its maximum width. Vein cu-a of hind wing absent.

Legs: Fore tibia with a row of five spines arranged more or less in a line. Hind coxa 2.0× longer than maximum width, without basoventral tubercle, rounded anteriorly. Basitarsus 0.25× as long as hind tibia, 0.8× as long as secondfifth segments combined. Second tarsal segment 0.6× as long as basitarsus, 0.8× as long as fifth tarsal segment.

Metasoma: Metasoma as long as the head and mesosoma combined. Maximum width of first tergite 1.4× its minimum width ( Fig. 5 View FIGURES 1 – 5 ); length 0.7× its apical width, 1.6× length of propodeum. Median length of second tergite about 1.2× its basal width, 1.4× length of third tergite. Combined length of second and third tergites equal to their maximum width. Ovipositor sheaths 1.5× as long as metasoma ( Fig. 1 View FIGURES 1 – 5 ), 2.0× longer than mesosoma, as long as body, 0.6× as long as fore wing, 1.8× as long as hind tibia.

Sculpture and pubescence: Head completely smooth ( Fig. 3 View FIGURES 1 – 5 ), few setae on the face, gena, temple, vertex. Pronotal groove deep and weakly scrobiculate ( Fig. 2 View FIGURES 1 – 5 ); pronotum glabrous, smooth above, and rugulose below. Mesoscutal lobes smooth, few setae anteriorly at the medial lobe. Notaulus narrow and scrobiculate anteriorly, weakly marked and smooth posteriorly. Scutellum and mesopleuron smooth; subalar sulcus rugose. Metapleuron rugulose. Propodeum smooth with areola, few setose anteriorly. Legs smooth, sparsely setose. First metasomal tergite with two longitudinal carinae that converge posteriorly ( Fig. 5 View FIGURES 1 – 5 ). All tergites smooth with some setae.

Colour: Head and body yellow, except for stemmaticum black. All flagellomeres brown except the first and second yellow. Legs whitish yellow. Ovipositor sheaths dark brown to black, ovipositor yellow, black at the apex.

Male. Unknown.

Distribution. Only known from the type locality.

Biology. Unknown.

Etymology. This species is named after the collector, Carolina Rodrigues Araújo.

Diagnosis. Labania carolinae sp. n. is morphologically similar to L. minuta . These two species are both small size and have a short antenna (fewer than 20 antennomeres). It can be distinguished from L. minuta by the following characters: head mostly yellow only with stemmaticum black, mesosoma and metasoma yellow, legs whitish yellow, propodeum with areola, vein 1cu-a interstitial with 1M, and ovipositor extending beyond apex of metasoma.


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