Crossocerus (Thao), Tsuneki, 1982
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publication ID |
https://doi.org/ 10.11646/zootaxa.5159.1.5 |
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publication LSID |
lsid:zoobank.org:pub:05A744A9-B876-4301-BDF2-552A83F2542E |
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DOI |
https://doi.org/10.5281/zenodo.6950162 |
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persistent identifier |
https://treatment.plazi.org/id/03E4220C-FFF0-8001-FF2B-9D77FA43FA1B |
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treatment provided by |
Plazi |
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scientific name |
Crossocerus (Thao) |
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Key to the subspecies of Thao Tsuneki, 1982 (modified from Leclercq, 1986)
1. Light body parts white, not yellow; largely of this color: mandible, pronotal collar, pronotal lobe, scutellum, tegula; completely (without slightest darkened spot): scape, tibiae I-II; more than basal half of tibia III, large spots at apex of femora I-III, tarsi I-III (except apical tarsomeres brown). Trochanters completely amber yellow. Sterna light brown. Scutum punctures very sparse and fine but well defined, irregular. Pronotum collar perfectly rounded laterally. Distribution: Brunei.................................................................................... Crossocerus nitidicorpus uluanus Leclercq 1986 View in CoL
- Light body parts more or less pale yellow, not white. Tibiae I-II darkened on inner side............................. 2
2. Median lobe of clypeus quadridentate, medial tooth emarginate (Fig. 23 of Tsuneki 1984). Scutellum all black. Pronotal collar distinctly angulate laterally. Scutum punctation sparse and fine. Distribution: Philippines.............................................................................................. C. nitidicorpus philippinicus Tsuneki 1984 View in CoL
- Median lobe of clypeus tridentate, medial tooth round or subtruncate apically. Scutellum broadly yellow or all black ( Fig. 11 View FIGURES 9–11 ) ................................................................................................... 3
3. Pronotal collar broadly yellow upto to its side, which is slightly but visibly raised. Scutal punctures very sparse even at middle. Scape completely yellow; femora I-II with large yellow spot above apex; about basal half of tibia III yellow; metatarsus III all pale yellow; trochanters I-II amber yellow. Distribution: Malaysia: Johor ......... C. nitidicorpus johorensis Leclercq 1986 View in CoL
- Pronotal collar perfectly rounded and not yellow laterally. Scutum relatively densely ( Fig. 9 View FIGURES 9–11 ) punctate, especially at center and anteriorly (interspaces between punctures much larger than these). Scape more or less darkened dorsally toward apex; metatarsus III more or less largely darkened...................................................................... 4
4. Femora I-II largely yellow, with black spot beneath; trochanters I-III yellow apically; tibia III largely yellow. Clypeus: with well-rounded medial tooth, less prominent than lateral teeth ( Fig. 15 View FIGURES 12–15 of Tsuneki 1968 and Fig. 24 of Tsuneki 1984, p. 13). Distribution: Taiwan.................................................... C. nitidicorpus nitidicorpus Tsuneki, 1968 View in CoL
- Femora I-II black, with small yellow spot at apex; other characters varying....................................... 5
5. Yellow: all trochanters, basal 1/3 rd of tibia III, scape except dorsal spot near apex; coxae of all legs, tergum I and sterna I-II all black; mandible yellow except apically. Clypeus: median carina absent, median tooth thick, almost truncate apically, lateral teeth slightly elongated. Distribution: Sri Lanka, Malaysia.................. C. nitidicorpus weddagalae Leclercq, 1986 View in CoL
- Yellow: trochanter I with basal and apical spots, trochanter II except ventral spot, trochanter III completely, short dorsal stripe on tibia III basally, apical spot on coxae I-II, coxa III ventrally, scape except large dorsal stripe, tergum I basally, sternum I largely, patch on sternum II near base ( Figs 1–3 View FIGURES 1–3 & 14 View FIGURES 12–15 ); mandible ferruginous ( Fig. 8 View FIGURES 4–8 ). Clypeus: medial carina present, median tooth of clypeus short and blunt, lateral teeth short ( Fig. 7 View FIGURES 4–8 ). Distribution: India................................................................................................. C. nitidicorpus indicus Saini & Dey , subsp. nov.
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