Lamachus montanus, Watanabe, 2024
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publication ID |
https://doi.org/ 10.5281/zenodo.13237363 |
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publication LSID |
lsid:zoobank.org:pub:D4FC7074-ADC6-4310-B60E-12B7ECBD6E25 |
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persistent identifier |
https://treatment.plazi.org/id/8938BAD6-C7FD-4450-A0AF-31AAF25F8BD2 |
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taxon LSID |
lsid:zoobank.org:act:8938BAD6-C7FD-4450-A0AF-31AAF25F8BD2 |
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treatment provided by |
Felipe |
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scientific name |
Lamachus montanus |
| status |
sp. nov. |
Lamachus montanus sp. nov.
(SJN: Takamine-maru-himebachi)
( Figs. 27A–E View Fig , 39G View Fig , 40T View Fig )
Type series. Holotype: JAPAN, KPM-NK 84944 , F, Gunma Pref., Tsumagoi Vil., Kanbara, Takamine-kogen , 3. IX. 2015, K. Watanabe leg. Paratypes: JAPAN, KPM-NK 84945–84955 , 11 F, same data of holotype .
Description. Female (n = 12). Body length 7.5–10.0 (HT: 8.5) mm, matt and covered with silver setae.
Head 0.53 × as long as wide in dorsal view. Clypeus 2.0–2.2 (HT: 2.0) × as broad as high, sparsely punctate and polished, almost flat in lateral view, lower margin with a median concavity ( Fig. 40T View Fig ). Face 1.9–2.0 (HT: 2.0) × as broad as high, finely punctate, slightly convex medially in lateral view. Dorsal profile of gena as Fig. 39G View Fig . Occipital carina complete. Length of malar space 0.5–0.55 (HT: 0.5) × as long as basal width of mandible. Upper tooth of mandible slightly longer than lower tooth. Base of mandible weakly convex. POL 1.25–1.4 (HT: 1.25) × as long as OD. OOL 1.3–1.4 (HT: 1.3) × as long as OD. Antenna with 39– 40 (HT: 40) flagellomeres. FL I 5.0 × as long as maximum depth, 1.6–1.8 (HT: 1.8) × as long as FL II.
Mesosoma densely and finely punctate. Epomia absent. Mesoscutum with weak notaulus, its posterior end not extending the middle of mesoscutum. Epicnemial carina weakly present (partly obscured) laterally and ventrally, its dorsal end situated slightly distant from anterior margin of mesopleuron. Speculum with small smooth area ( Fig. 27C View Fig ). Propodeum without carinae except for pleural carina and partly indistinct posterior transverse carina ( Fig. 27D View Fig ). Fore wing length 7.0–8.7 (HT: 8.0) mm. Areolet present, pointed anteriorly, received vein 2m-cu at the outer angle ( Fig. 27E View Fig ). Fore wing vein 1cu-a interstitial to vein M&RS. Nervellus subvertical, intercepted slightly posterior the middle. Tarsal claws simple. Hind femur 5.8–6.1 (HT: 5.9) × as long as maximum depth in lateral view. Ratio of length of hind first to fifth tarsomeres 4.8–5.0 (HT: 5.0): 2.0: 1.3–1.35 (HT: 1.3): 0.9–0.95 (HT: 0.9): 0.9–1.0 (HT: 0.9).
Metasoma. T I 2.1–2.3 (HT: 2.1) × as long as maximum width, densely and finely punctate, with latero-median longitudinal carina, its posterior end situated near the spiracle. T II 0.95–1.0 (HT: 0.95) × as long as maximum width, largely densely and finely punctate. Ovipositor sheath 0.25 × as long as hind tibia. T III sparsely and finely posteriorly.
Colouration ( Figs. 27A–E View Fig ). Body (excluding wings and legs) black. A pair of small spots of face below antennal sockets, clypeus, mandible except for teeth, palpi, postero-dorsal corner of pronotum, a pair of small spots of antero-lateral part of mesoscutum, scutellum, postscutellum, tegula, and subtegular ridge yellow. Posterior margins of T II to T VII and metasomal sternites narrowly tinged with whitish yellow. Flagellum more or less tinged with reddish brown. Wings hyaline. Veins and pterostigma blackish brown except for yellowish brown wing base. Fore and mid legs reddish yellow to reddish brown. Hind leg reddish brown. Base of hind tibia narrowly tinged with black. Hind tarsus more or less tinged with blackish brown.
Male. Unknown.
Distribution. Japan (Honshu).
Bionomics. Unknown.
Etymology. The specific name is from Latin “montanus ” (mountainous). This species is found in mountainous areas.
Remarks. This species resembles Lam. coalitorius (Thunberg, 1822) and Lam. dispar (Holmgren, 1857) in body colouration, but can be distinguished by the T I 2.1–2.3 × as long as maximum width (at most 1.8 × in both species). This species also resembles Lam. eques (Hartig, 1838) in the elongated T I, but can be distinguished by the entirely black metasomal tergites (with a conspicuous red part of T III and T IV in Lam. eques ).
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.