Aulacocentrum assitum Long & Pham, 2024
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publication ID |
https://dx.doi.org/10.3897/zookeys.1197.116092 |
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publication LSID |
lsid:zoobank.org:pub:E0B01863-8ABD-4D38-945E-ABDB465CE814 |
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persistent identifier |
https://treatment.plazi.org/id/91B36A32-E69B-427B-9B30-715174C971E2 |
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taxon LSID |
lsid:zoobank.org:act:91B36A32-E69B-427B-9B30-715174C971E2 |
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treatment provided by |
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scientific name |
Aulacocentrum assitum Long & Pham |
| status |
sp. nov. |
Aulacocentrum assitum Long & Pham sp. nov.
Figs 1 View Figure 1 , 2 View Figure 2 , 16 View Figure 16
Material.
Holotype, ♀, "Macr. 147 " (IEBR), NE Vietnam: Ha Giang, Vi Xuyen, Phong Quang , forest, 22°54'00"N, 104°54'56"E; 650 m a.s.l.; light trap, 26.v.2022, PT Nhi, PV Phu. GoogleMaps
Description.
Holotype, female, body length 7.4 mm, fore wing length 6.2 mm, antenna 12.2 mm, ovipositor sheath 7.6 mm (Fig. 1 View Figure 1 ).
Head. Antenna with 48 flagellomeres; flagellum densely setose; first flagellomere 1.4 × second one; length of first and second flagellomeres 7.5 and 5.5 × their widths, respectively; subapical antennomere 2.0 × its width; apical flagellomere with long spine; in frontal view, width of face 1.2 × its length (Fig. 2B View Figure 2 ); length of maxillary palp 2.2 × height of head; face shiny, punctate; malar space as long as basal width of mandible; clypeus convex, finely punctate (Fig. 2B View Figure 2 ); distance between tentorial pits 1.8 × distance from pit to eye margin; in lateral view, eye 3.5 × temple medially; head transverse, in dorsal view, head 2.1 × as wide as long; and width of head 0.6 × median length; temple short, eye 13.5 × as long as temple; ocelli large, OOL: OD: POL = 6: 8: 7 (Fig. 2A View Figure 2 ); frons, temple, and vertex coriaceous.
Mesosoma. Length of mesosoma 1.4 × its height (Fig. 2E View Figure 2 ); pronotal trough crenulate medially, mostly smooth dorsally, sparsely punctate ventrally; propleuron densely punctate (Fig. 2E View Figure 2 ); middle lobe of mesoscutum without impressions anteriorly; notauli narrow, mostly smooth anteriorly, punctate posteriorly; notauli fused posteriorly, separating by mid-longitudinal rugosity (Fig. 2D View Figure 2 ); median lobe of mesoscutum smooth, with sparse fine punctures; lateral lobes of mesoscutum mostly smooth, with sparse punctures near notauli; scutellum convex, with dense fine punctures; mesopleuron densely punctate (Fig. 2E View Figure 2 ); metapleuron rugose-punctate; propodeum foveolate-rugose (Fig. 2C View Figure 2 ).
Wings. Length of fore wing 2.9 × its maximum width (Fig. 2H View Figure 2 ); length of pterostigma 4.0 × its width; fore wing vein SR1 2.3 × as long as vein 3-SR; vein r originating behind middle of pterostigma, r: 3-SR: SR1 = 11: 25: 57; cu-a slightly inclivous (Fig. 2H View Figure 2 ), cu-a: 1-CU1: 2-CU1 = 9: 4: 33; 2-SR: 3-SR: r-m = 17: 25: 7; second submarginal cell of fore wing narrowed distally; hind wing vein cu-a: 1-M: 1r-m = 15: 12: 13; vein 2-SC+R vertical; vein SR strongly bent basally, at constriction mostly touching the frontal wing margin (Fig. 2I View Figure 2 ).
Legs. Hind coxa sparsely setose; length of femur, tibia, and basitarsus of hind leg 7.8, 17.8, and 14.0 × their maximum widths, respectively; left hind trochantellus with two teeth apically (Fig. 2G View Figure 2 ); tibial spurs straight, setose, length of hind inner and outer tibial spurs 0.4 × and 0.3 × hind basitarsus combined; length of hind basitarsus 0.4 × hind tibia and 1.1 × second-fifth tarsal segments.
Metasoma. Length of metasoma 1.5 × head and mesosoma combined; first tergite parallel-sided, flat medio-basally, length 5.1 × its apical width; mostly smooth anterior of spiracle, transversely rugose from spiracle to apex; median length of second tergite 1.2 × third tergite; second tergite narrowed medio-laterally (Fig. 2F View Figure 2 ), with fine convergent striae; third tergite with fine parallel striae basally; finely punctate apically; fourth-sixth metasomal tergites punctate, densely setose (Fig. 2F View Figure 2 ); length of ovipositor sheath 1.2 × fore wing.
Colour. Head black; scapus dark brown, cream-white ventrally; pedicel yellow; flagellum brown with flagellomeres 9th-18th ivory; mandible yellow; palpi whitish yellow; propleuron brown; middle lobe of mesoscutum and scutellum yellowish brown; lateral lobes of mesoscutum, mesopleuron, metapleuron, and propodeum reddish yellow; fore and middle legs yellow; hind coxa yellow basally, brown apically; hind trochanter and trochantellus infuscate; hind femur dark brown; hind tibia mostly brown, pale yellow basally, cream-white apically; hind tibial and tarsus cream-white; tegula brownish yellow; wing membrane hyaline; veins yellowish brown, except vein 1-R1 and parastigma whitish yellow; pterostigma brown, pale yellow apically; metasoma brown, except first tergite basally, second and third metasomal tergites laterally and ventrally pale yellow; ovipositor sheath brown; ovipositor yellow.
Male. Unknown.
Biology.
Unknown.
Etymology.
From assitus (Latin for “near”), because this new species is close to A. seticella van Achterberg & He, 1994, from China.
Distribution.
NE Vietnam (Ha Giang province) (Fig. 16 View Figure 16 ).
Notes.
This new species is close to A. seticella van Achterberg & He, but differs from the latter by the following characters: 1) length of maxillary palp 2.2 × height of head (1.6-1.7 × in A. seticella ); 2) marginal cell of hind wing as wide basally as apically (Fig. 2I View Figure 2 ) (strongly widened basally in A. seticella , see He and van Achterberg 1994: fig. 18); and 3) second metasomal suture distinct, basal 1/3 of third tergite finely striate (second suture indistinct, more than basal 1/2 of third tergite finely striate in A. seticella ).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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SuperFamily |
Ichneumonoidea |
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Macrocentrinae |
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