Heinrichiellus brevispinus Ranjith & Broad, 2025
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publication ID |
https://doi.org/10.3897/jhr.98.158760 |
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publication LSID |
lsid:zoobank.org:pub:C198839C-397F-466C-94CC-F1844CFB5F36 |
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persistent identifier |
https://treatment.plazi.org/id/314A2362-11BD-5398-A8C4-E63F44ABE9BD |
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scientific name |
Heinrichiellus brevispinus Ranjith & Broad |
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sp. nov. |
Heinrichiellus brevispinus Ranjith & Broad sp. nov.
Material examined.
Holotype: • female, Thailand: Chiang Mai, Doi Chiang Dao National Park , 14–21.x.2007, Malaise trap, coll. Songtran & Apaichat, T 3172 ( QSBG) . Paratype: • 1 male with same data as holotype ( QSBG) .
Holotype.
♀, body length 11.7 mm, fore wing length 8.6 mm.
Description of female.
Head. Head 1.4 × as wide as high in anterior view, 2.0 × as wide as long in dorsal view, coriaceous except area between polished antennal sockets (Fig. 2 B, E View Figure 2 ); ocellar-ocular length (OOL) / postero-ocellar length (POL) = 0.9. Frons slightly convex above each antennal socket (Fig. 2 C View Figure 2 ); frons granulate with small and distinct tubercle between antennal sockets (Fig. 2 B, C, E View Figure 2 ); antennal sockets large and protruding anteriorly in dorsal view (Fig. 2 C View Figure 2 ); face 1.2 × as wide as high, granulate (Fig. 2 B View Figure 2 ); inner margins of compound eyes parallel (Fig. 2 B View Figure 2 ); clypeus strongly convex and transverse, 1.9 × as wide as high, with straight apical margin (Fig. 3 A View Figure 3 ); anterior tentorial pits large (Fig. 3 A View Figure 3 ); labrum very wide, 0.6 × as wide as clypeus, with straight apical margin, protruding from under clypeus. Mandible slender, 2.2 × as long as wide at base, gradually narrowed from base to apex, with indistinct lower tooth (Fig. 3 A View Figure 3 ). Malar space granulate, 1.1 × as wide as base of mandible (Fig. 2 D, F View Figure 2 ). Occipital carina complete, joining hypostomal carina above base of mandible (Fig. 2 F View Figure 2 ); dorso-median part of occipital carina evenly arched (Fig. 2 C View Figure 2 ). Maxillary palp long, reaching epicnemial carina (Fig. 3 B View Figure 3 ); fifth segment 4.5 × as long as mandible base. Dorsal length of eye 3.7 × as long as temple. Antenna with 36 antennomeres. Flagellum bristle-shaped, very long and slender (Fig. 2 A View Figure 2 ); apical flagellomere conical; first flagellomere 6.7 × as long as apical width and 1.5 × as long as second flagellomere.
Mesosoma. Mesosoma 1.6 × as long as high. Collar of pronotum long (Fig. 3 C, D View Figure 3 ). Pronotum smooth, strigose postero-laterally (Fig. 3 C View Figure 3 ). Mesoscutum strongly convex (Fig. 3 C View Figure 3 ) with notaulus reaching middle of mesoscutum (Fig. 3 D View Figure 3 ); mesoscutum granulate with scattered punctures except longitudinally strigose notaular region (Fig. 3 D View Figure 3 ). Epicnemial carina complete (Fig. 3 C View Figure 3 ); subtegular ridge sharp (Fig. 3 C View Figure 3 ); impression below speculum weak (Fig. 3 C View Figure 3 ); sternaulus distinct, crenulate, sharp, almost reaching base of mid coxa (Fig. 3 C View Figure 3 ); posterior transverse carina of mesosternum absent; surface of mesopleuron obliquely strigose medially, smooth anteriorly, posteriorly punctate, speculum slightly polished (Fig. 3 C View Figure 3 ). Scutellum highly elevated above metanotum (Fig. 3 C View Figure 3 ), with lateral carina reaching apex and dorsal surface almost flat (Fig. 3 D View Figure 3 ); hind margin of metanotum with a triangular projection on each side of metanotum (Fig. 3 E, F View Figure 3 ). Juxtacoxal carina distinct anteriorly, incomplete (Fig. 3 C View Figure 3 ). Propodeum in profile with area basalis flat and unevenly slanted from base of area superomedia (Fig. 3 C View Figure 3 ), area basalis not defined by carinae (Fig. 3 E View Figure 3 ); regular carinae of propodeum complete (Fig. 3 E View Figure 3 ); area superomedia hexagonal, 0.8 × as long as wide (Fig. 3 E View Figure 3 ); apex of area dentipara with strongly developed, short and sharp apophysis, almost perpendicular to surface of propodeum, almost straight (Fig. 3 E View Figure 3 ); surface of propodeum unevenly corrugated (Fig. 3 E View Figure 3 ); area petiolaris indistinct laterally, smooth (Fig. 3 E View Figure 3 ). Propodeal spiracle 1.4 × as long as wide (Fig. 3 F View Figure 3 ).
Legs. Legs very slender and long (Fig. 2 A View Figure 2 ); all legs longer than fore wing. Hind femur and tibia 4.0, 7.1 × as long as maximum width respectively; ratio of length of tibiae fore: mid: hind = 1.0: 1.1: 1.8.
Wings. Fore wing 5.9 mm long; areolet 1.3 × as wide as long, 1.7 × as high as 3 rs-m, 0.9 × as high as 2 m-cu, pentagonal and narrowing anteriorly (Fig. 4 E View Figure 4 ); 1 cu-a opposite M & RS (Fig. 4 E View Figure 4 ); ramulus very short (Fig. 4 E View Figure 4 ). Hind wing with cu-a one-fourth as long as first abscissa of CU (Fig. 4 E View Figure 4 ).
Metasoma. Metasoma mostly coriaceous (Fig. 4 A – C View Figure 4 ). First tergite in profile almost straight, slightly bent downward at base of postpetiole; smooth anteriorly, irregularly sculptured between latero-median carinae (Fig. 4 A, B View Figure 4 ); in dorsal view 5.1 × as long as wide at base; petiole very long, rounded in cross-section, of approximately equal width and height; in dorsal view petiole slightly broadened posteriorly; latero-median carina present only on anterior portion of postpetiole (Fig. 4 A, B View Figure 4 ). Second tergite in dorsal view 2.1 × as long as wide anteriorly, distinctly minutely punctate, longitudinally strigose anteriorly (Fig. 4 C View Figure 4 ). Gastrocoelus slightly impressed, in form of longitudinal groove (Fig. 4 C View Figure 4 ). Thyridium oval, distant from anterior of second tergite by 0.2 × its length (Fig. 4 C View Figure 4 ). Tergites 3–6 with laterotergites separated by distinct crease (Fig. 4 A View Figure 4 ). Sternites 2–5 laterally sclerotized and middle part not sclerotized (Fig. 4 A View Figure 4 ). Hypopygium with apical margin rounded and longitudinally folded in middle. Ovipositor sheath with apex pointed, protruding beyond apex of metasoma (Fig. 4 A View Figure 4 ).
Colour. Body mostly yellow except for following: flagellomeres 2–7, 15–36, face, clypeus, frons anteriorly, ocellar area, vertex and occiput, temple, pronotum except laterally, propleuron, mesoscutum, metanotum, mesopleuron, wing venation dark brown to black, mid tarsus, second metasomal tergite anterior half, third and fourth metasomal tergites anteriorly, fifth metasomal tergite yellowish, ovipositor sheath brown,
Male. Same as female.
Distribution.
Oriental region ( Thailand).
Etymology.
The species name brevispinus is derived from Latin: brevis, “ short ”, and spina, “ spine. ” It refers to the characteristic short propodeal apophysis. The name is an adjective and is in the masculine form to agree with the masculine gender of the genus Heinrichiellus .
Comparative diagnosis.
The new species is morphologically similar to H. vedani sp. nov. In addition to the characters used in the key, H. brevispinus sp. nov. can be distinguished from H. vedani sp. nov. by the following characters: first flagellomere 6.7 × as long as apical width (5.5 × in H. vedani sp. nov.), second tergite 2.1 × as long as wide anteriorly (1.8 × in H. vedani sp. nov.) and fifth tergite yellowish (with brownish patch in H. vedani sp. nov.).
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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