Oxyscelio proceritatis
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Ordo: Hymenoptera
Familia: Platygastridae
Genus: Oxyscelio
Name
Oxyscelio proceritatis Burks sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
Female. Body length 4.5–4.7 mm (n=4).
Radicle color and shade: darker than scape. Pedicel color: same as scape. A3: longer than pedicel. A4: longer than broad. A5: longer than broad.
Ventral clypeal margin: concave. Interantennal process: not elongate. Lower frons at dorsal margin of interantennal process: without transverse carina. Transverse curved rugae extending from frontal depression to eye: absent. Median longitudinal carina in frontal depression: absent. Ventral portion of frontal depression: with medially interrupted transverse carinae. Dorsal portion of frontal depression: without transverse carinae. Submedian carina: present. Frontal depression dorsally: not hood-like, open dorsally. Upper frons major sculpture: umbilicate foveate; transversely rugose. Upper frons microsculpture: absent. Hyperoccipital carina: indicated by a set of irregular elevations. Carina connecting occipital carina to hyperoccipital carina: absent. Occipital carina: uniformly rounded dorsally. Occiput sculpture: irregularly sculptured. Extra carina ventral to occipital carina: absent. Gena length: shorter than eye. Major sculpture of gena anteroventrally: umbilicate foveate; absent. Major sculpture of gena posteroventrally: umbilicate foveate; absent. Microsculpture of gena anteroventrally: absent. Microsculpture of gena posteroventrally: absent.
Lateral pronotal area sculpture: irregularly sculptured. Posterior border of central pronotal area: directed posteriorly, epomial carina absent or meeting transverse pronotal carina at arch on lateral surface of pronotum. Mesoscutum anteriorly: not steep, forming less than a right angle. Major sculpture of mesoscutal midlobe anteriorly: umbilicate foveate. Mesoscutal midlobe sculpture at midlength: not different from nearby sculpture. Major sculpture of mesoscutal midlobe posteriorly: umbilicate foveate; longitudinally rugose. Microsculpture of mesoscutal midlobe anteriorly: granulate. Microsculpture of mesoscutal midlobe posteriorly: absent. Median mesoscutal carina: present as a ruga. Major sculpture of mesoscutellum centrally: umbilicate foveate. Major sculpture of mesoscutellum peripherally: umbilicate foveate. Microsculpture of mesoscutellum centrally: absent. Microsculpture of mesoscutellum peripherally: absent. Mesoscutellar rim: not expanded. Mesoscutellar rim medially: without notch. Mesofemoral depression: longitudinally striate dorsally and ventrally. Metascutellum shape: not emarginate, forming a flat, concave shelf. Metascutellar setae: absent. Metascutellum sculpture: dense and irregular. Postmarginal vein: present. Fore wing apex at rest: reaching base of T5. Coxae color brightness: same color as femora. Spines along tibiae: absent. Lateral propodeal carinae: broadly separated, not parallel anteriorly. Setae in metasomal depression: absent. Anterior sculpture of metasomal depression: absent. Median propodeal carina: absent.
T1 horn: present. Number of longitudinal carinae of T1 midlobe: obscured by other raised sculpture. T1 lateral carina: straight. T2 sculpture: densely foveolate, longitudinal sculpture irregular. T2 sublateral longitudinal foveae: absent. T3 metasomal flanges: absent. T4 sculpture: longitudinally striate to rugose, setal pits spanning interspaces. T4 metasomal flanges: absent. T5 sculpture: longitudinally striate to rugose, setal pits spanning interspaces. T5 metasomal flanges: absent. T6: longer than broad. Major sculpture of T6: umbilicate punctate; longitudinally striate. Microsculpture of T6: absent. T6 medially: flat and tapering to a rounded apex, not separated from apical rim. T6 metasomal flanges: absent. T6 raised peripheral rim: absent. S4 sculpture: longitudinally striate or rugose, setal pits spanning interspaces. S5 sculpture: longitudinally striate to rugose, setal pits spanning interspaces. S5 median carina: present. S6 peripheral carina: absent. S6 apex in relation to T6: not exposed to dorsal view. S6 apex: rounded or acuminate.
Male. unknown.
Diagnosis
Both sexes: Frontal depression with broadly interrupted transverse carinae; submedian carina sharp. Hyperoccipital carina indicated by rugae. Occipital carina convex medially. Postmarginal vein present. Coxa not darker than rest of leg. T1 lateral carina not expanded laterally. Metasomal flanges absent. Female only: A3 longer than pedicel. A4 longer than broad, A5 slightly longer than broad. Mesoscutellum without granulate sculpture. Metascutellum with irregular rugose sculpture. T1 midlobe carinae obscured by raised area. Fore wing long enough to reach base of T5. Oxyscelio proceritatis is one of the few Australian species with a strongly raised T1 horn in females. It differs from Oxyscelio radii and Oxyscelio aciculae in having a deeper frontal depression.
Etymology
Latin noun, genitive case, meaning “length.”
Link to distribution map
[http://hol.osu.edu/map-full.html?id=307099]
Material examined
Holotype, female: AUSTRALIA: QLD, Mount Glorious, VII-1977 - XII-1977, malaise trap, A. Hiller, OSUC 368221 (deposited in QMBA). Paratypes: AUSTRALIA: 3 females, OSUC 227567, 462572 (CNCI); OSUC 437002 (WINC).
Original Description
- Burks, R; Masner, L; Johnson, N; Austin, A; 2013: Systematics of the parasitic wasp genus Oxyscelio Kieffer (Hymenoptera, Platygastridae s.l.), part II: the Australian and southwest Pacific fauna ZooKeys, 331: 1-266. doi
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