Oxyscelio granorum Burks sp. n. Figures 235-240Morphbank71

Description.

Female. Body length 4-5.65 mm (n=20).

Radicle color: same color as scape. Scape color: Yellowish. A4: longer than broad; as long as broad. A5: broader than long. Antennal club: formed, segments compact.

Interantennal process: not elongate. Median longitudinal elevation in frontal depression: absent; present. Frontal depression: concave. Frontal depression sculpture: with 3 or more broadly interrupted transverse carinae. Submedian carina: strong, formed by a sharp raised carina. Submedian carina medially: without peak. Concavity across dorsal part of frontal depression: absent. Depression extending ventrally from median ocellus: absent. Upper frons: hood-like, protruding over pedicel when antenna at rest. 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: absent or not consistently broad. Middle genal carina: present. Direction of middle genal carina dorsally: parallel to eye margin. Major sculpture of gena anteriorly: umbilicate-foveate; rugose. Major sculpture of gena posteriorly: umbilicate-foveate; rugose. Microsculpture of gena anteroventrally: absent. Microsculpture of gena posteroventrally: absent. Median carina extending posteriorly from hyperoccipital carina: absent. Hyperoccipital carina: complete, continuous with anterior genal carina. Lateral connection between hyperoccipital and occipital carinae: absent. Area between vertex and occipital carina: irregularly rugose; crenulate. Occipital carina medially: uniformly rounded. Lateral corners of occipital carina: not protruding.

Lateral pronotal area: with slight bulge projecting anteriorly 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: granulate. Major sculpture of mesoscutellum: umbilicate-foveate. Microsculpture of mesoscutellum medially: granulate. Microsculpture of mesoscutellum laterally: 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: 3-5. Metascutellum dorsally: concave. Metascutellar sculpture dorsally: smooth or with transverse carinae. Median carina of metascutellum: absent or branched. Metascutellar setae: absent. Metascutellar apex: weakly emarginate. Metapleuron above ventral metapleural area: crossed by carinae. Metasomal depression setae: absent. Lateral propodeal carinae anteromedially: weakly diverging. Anterior areoles of metasomal depression: absent; one or more areoles present. Anterior longitudinal carinae in metasomal depression: absent. Lateral propodeal areas: separated medially. Postmarginal vein: present. Fore wing apex: reaching apex of T6.

T1 midlobe: with 4 longitudinal carinae. T1: without anterior bulge. T2: with straight longitudinal striae or rugae. T6: broader than long. Apical flange of T6: exposed apically. Metasomal apex: rounded. Major sculpture of T6: umbilicate-punctate. Microsculpture of T6: granulate.

Male. Body length 3.6-5.25 mm (n=20). A5 tyloid: carina-like, not expanded. A11: longer than broad; as long as broad. Median tooth of frontal depression: absent. Median lobe of T1: with 4 longitudinal carinae. Metasomal apex: with no distinct corners.

Diagnosis.

Both sexes: Frons without elevation between antennal foramen and eye. Frontal depression hood-like. Hyperoccipital carina present and sharp, continuous with anterior genal carina. Mesoscutellum with granulate sculpture. Metascutellum without dorsal setae. Propodeum without median carina; lateral propodeal carinae very narrowly separated anteriorly. Female: Fore wings not long enough to exceed metasomal apex. T1 midlobe with 4 longitudinal carinae. T6 rounded apically. Male: A11 as long or longer than broad. T1 midlobe with 4 longitudinal carinae. T7 with rounded posterolateral corners. Oxyscelio granorum is similar to Oxyscelio intermedietas in having extensive granulate sculpture, but is larger and is much more extensively granulate.

Etymology .

Latin noun, genitive case, meaning “grains,” referring to the dominant bodily surface sculpture.

Link to distribution map.

[http://hol.osu.edu/map-full.html?id=275482]

Material examined.

Holotype, female: THAILAND: Nakhon Si Thammarat Prov., road to Mhen Mt., 150m from Nern 499, T3101, Namtok Yong National Park, 08°16.959'N, 99°39.149'E, 499m, 13. VIII– 20.VIII.2008, malaise trap, S. Samnaokan, OSUC 336125 (deposited in QSBG). Paratypes: (36 females, 38 males) INDONESIA: 6 females, 9 males, OSUC 368941-368942, 368954, 464005 (CNCI); OSUC 240930, 361273, 361718 (MBBJ); OSUC 248919, 257043 (OSUC); OSUC 240931, 247850, 247862, 247971, 352905, ROMEnt Spec. No. 112239 (ROME). LAOS: 4 males, OSUC 368872, 368874, 368888, 368906 (CNCI). MALAYSIA: 1 male, OSUC 376595 (BMNH). THAILAND: 27 females, 16 males, OSUC 335823, 335868, 352512 (BMNH); OSUC 368672, 368675-368676, 368724, 368763, 464046, 464050, 464061 (CNCI); OSUC 247872, 257399, 285204, 335864, 335866-335867, 335926, 336032, 336036, 336736, 352511 (OSUC); OSUC 237456-237457, 252035, 257396, 320371, 320374-320375, 320404-320405, 322078, 322086, 335860, 352484, 352513, 361356, 361375, 368493 (QSBG); UCRC ENT 41411 (UCRC); OSUC 335861, 335865, 335915 (WINC). VIETNAM: 3 females, 8 males, OSUC 369098, 369101 (CNCI); OSUC 277399-277401, 277517, 277704-277707, 281507 (RMNH).