Oxyscelio peludo
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Ordo: Hymenoptera
Familia: Platygastridae
Genus: Oxyscelio
Name
Oxyscelio peludo Burks sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
Female. Body length 4.5–5.05 mm (n=10).
Radicle color: same color as scape. Scape color: Yellowish. A4: longer than broad. A5: broader than long; as long as broad. Antennal club: formed, segments compact.
Interantennal process: not elongate. Median longitudinal elevation in frontal depression: absent. Frontal depression: concave. Frontal depression sculpture: with 3-5 complete transverse carinae. Submedian carina: weak, shallow and rounded or formed by ledge. Submedian carina medially: without peak. Concavity across dorsal part of frontal depression: absent. Depression extending ventrally from median ocellus: absent. Upper frons: not hood-like. Malar area near antennal foramen: without carina or expansion. Malar area at mouth corner: with radiating striae. Smooth strip along posterior side of malar sulcus: present, broad throughout its length. Middle genal carina: present. Direction of middle genal carina dorsally: parallel to eye margin. Major sculpture of gena anteriorly: umbilicate-foveate. Major sculpture of gena posteriorly: umbilicate-foveate; rugose. Microsculpture of gena anteroventrally: absent. Microsculpture of gena posteroventrally: granulate. Median carina extending posteriorly from hyperoccipital carina: absent. Hyperoccipital carina: indicated by rugae. Lateral connection between hyperoccipital and occipital carinae: present as a weak elevation. Area between vertex and occipital carina: umbilicate-foveate. Occipital carina medially: absent. Lateral corners of occipital carina: sharp and protruding.
Lateral pronotal area: without bulge projecting towards anterior pit. Epomial corner: weak. Netrion surface anteriorly: not inflexed. Mesoscutum anteriorly: not steep. Mesoscutal median carina: present and complete. Longitudinal carina between median carina and notauli: absent. Major sculpture of medial mesoscutum anteriorly: umbilicate-foveate. Major sculpture of medial mesoscutum posteriorly: umbilicate-foveate. Microsculpture of medial mesoscutum anteriorly: granulate. Microsculpture of medial mesoscutum posteriorly: absent. Major sculpture of mesoscutellum: umbilicate-foveate. Microsculpture of mesoscutellum medially: granulate. Microsculpture of mesoscutellum laterally: absent; granulate. Mesoscutellar apex: convex or straight. Setae along anterior limit of femoral depression: arising from rows of foveae. Number of carinae crossing speculum above femoral depression: 3. Number of carinae crossing femoral depression: more than 5. Mesepimeral sulcus pits: more than 5. Metascutellum dorsally: flat. Metascutellar sculpture dorsally: with scattered rugae. Median carina of metascutellum: absent or branched. Metascutellar setae: with many dorsal setae. Metascutellar apex: convex or straight. Metapleuron above ventral metapleural area: crossed by carinae. Metasomal depression setae: absent. Lateral propodeal carinae anteromedially: strongly diverging. Anterior areoles of metasomal depression: absent. Anterior longitudinal carinae in metasomal depression: absent. Lateral propodeal areas: separated medially. Postmarginal vein: present. Fore wing apex: reaching middle of T5.
T1 midlobe: obscured by other raised sculpture. T1: with small rounded anterior bulge, not reaching metascutellum. T2: with straight longitudinal striae or rugae. T6: longer than broad. Apical flange of T6: not exposed apically. Metasomal apex: tapering to a sharp point. Major sculpture of T6: umbilicate-punctate; longitudinally striate or rugose. Microsculpture of T6: granulate.
Male. Body length 3.65–4.5 mm (n=4). A5 tyloid: carina-like, not expanded. A11: longer than broad. Median tooth of frontal depression: absent. Median lobe of T1: with 5 longitudinal carinae. Metasomal apex: with acuminate lateral corners.
Diagnosis. Both sexes: A4 longer than broad, A5 about as long as broad. Frontal depression crossed by many carinae. Mesoscutellum strongly granulate. Metascutellum dorsally setose. Female: Metascutellum fingernail-shaped, rugose. T1 with strong anterior horn. Fore wings long enough to reach middle of T5. T6 strongly narrowing towards nearly acuminate apex. Male: T1 midlobe with 5 longitudinal carinae. T7 with sharp, protruding posterolateral corners. The metascutellar setae of Oxyscelio peludo are easily overlooked in dorsal view, but are more apparent from an oblique or lateral view. They are present in males as well, making males of Oxyscelio peludo much more easily recognizable than those of most other species. Among species with a bare metascutellum, Oxyscelio naraws very strongly resembles Oxyscelio peludo.
Etymology
Portuguese and Spanish, meaning “hairy.” Refers to the setose metascutellum.
Link to distribution map
[http://hol.osu.edu/map-full.html?id=275528]
Material Examined
Holotype, female: INDONESIA: Kalimantan Barat Prov., Cabang Panti Research Station, RR6, 1° rainforest / sandstone closed canopy, IIS 910136, Gunung Palung National Park, 01°15'S, 110°05'E, 100m, 17.VI–29.VI.1991, canopy malaise trap, Darling, Rosichon & Sutrisno, OSUC 257095 (deposited in MBBJ). Paratypes: (12 females, 4 males) INDONESIA: 6 females, 3 males, OSUC 361275, ROMEnt Spec. No. 112263, ROMEnt Spec. No. 112681 (MBBJ); OSUC 228710, 257081, 273319 (OSUC); OSUC 247856, 247970, 257098 (ROME). MALAYSIA: 6 females, 1 male, OSUC 376590, 376602, 376605, 376611 (BMNH); OSUC 453764, 453768, 453772 (OSUC).
Original Description
- Burks, R; Masner, L; Johnson, N; Austin, A; 2013: Systematics of the parasitic wasp genus Oxyscelio Kieffer (Hymenoptera, Platygastridae s.l.), Part I: Indo-Malayan and Palearctic fauna ZooKeys, 292: 1-263. doi
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