Colastomion species
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publication ID |
https://doi.org/ 10.11646/zootaxa.5040.2.3 |
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publication LSID |
lsid:zoobank.org:pub:2951D97F-F2D9-4434-A9D1-BCC3A5FFA4A4 |
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persistent identifier |
https://treatment.plazi.org/id/03C8878C-FF83-FF8A-FF03-5091D09CD8DC |
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treatment provided by |
Plazi |
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scientific name |
Colastomion species |
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Key to Colastomion species from Vietnam
1. Female ( Figs 1 View FIGURES 1–9 , 13 View FIGURES 13–22 , 37 View FIGURES 37–47 , 56 View FIGURES 56–64 , 68 View FIGURES 68–77 )........................................................................... 2
- Male ( Figs 27 View FIGURES 27–36 , 48 View FIGURES 48–55 ).................................................................................... 6
2. Second metasomal tergite with distinct midbasal triangular area giving rise into midlongitudinal carina; median carina of second metasomal tergite complete or near so ( Figs 64 View FIGURES 56–64 , 73 View FIGURES 68–77 )....................................................... 3
- Second metasomal tergite with indistinct midbasal triangular area; median carina of second metasomal tergite incomplete or irregular longitudinal rugosity posteriorly ( Figs 26 View FIGURES 23–26 , 47 View FIGURES 37–47 )....................................................... 5
3. Second metasomal tergites with midlongitudinal carina complete ( Fig. 64 View FIGURES 56–64 ); hypopygium strongly convex ventrally ( Fig. 59 View FIGURES 56–64 ); fore wing vein 1-SR+M obviously S-shaped; hind wing vein M+CU 1.3 × vein 1-M, vein 2-SC+R vertical ( Fig. 63 View FIGURES 56–64 ); body black or blackish brown ( Fig. 56 View FIGURES 56–64 )..................................... Colastomion nigroconfusum Long & Pham , sp. n.
- Second metasomal tergites with midlongitudinal carina incomplete (short or on basal 0.8 of the tergite) ( Figs 7 View FIGURES 1–9 , 73 View FIGURES 68–77 ); hypopygium slightly convex ventrally ( Figs 2 View FIGURES 1–9 , 71 View FIGURES 68–77 ); fore wing vein 1-SR+M slightly curved; hind wing vein M+CU 1.1–1.15 × vein 1-M, vein 2-SC+R of quadrate or subquadrate ( Figs 9 View FIGURES 1–9 , 77 View FIGURES 68–77 ); body yellow or pale yellow.............................. 4
4. Propodeum with narrow median crenulate depression, rugo-punctate laterally ( Fig. 6 View FIGURES 1–9 ); second metasomal tergite with short midlongitudinal carina, merging into rugulose area posteriorly; irregularly striate laterally ( Fig. 7 View FIGURES 1–9 ); vein 2-SC+R of hind wing nearly longitudinal ( Fig. 9 View FIGURES 1–9 ); ventral serations of ovipositor near its apex ( Fig. 2 View FIGURES 1–9 )......... Colastomion asperum Long , sp. n.
- Propodeum with short midbasal carina giving rise to median transverse rugose area posteriorly, sparsely punctate laterally ( Fig. 72 View FIGURES 68–77 ); second metasomal tergite with complete midlongitudinal carina or near so, sparsely irregularly longitudinally striate with approximately 7 striae lateral to midlongitudinal carina ( Fig. 73 View FIGURES 68–77 ); vein 2-SC+R of hind wing quadrate ( Fig. 77 View FIGURES 68–77 ); ventral serations of ovipositor distal to its apex ( Fig. 71 View FIGURES 68–77 ).................................. Colastomion vietnamense Long , sp. n.
5. Occipital carina almost evenly curved dorsally ( Fig. 39 View FIGURES 37–47 ); propodeum with short midbasal carina merging into narrow median crenulated depression, sparsely punctate laterally ( Figs 43, 46 View FIGURES 37–47 ); second metasomal tergite with midlongitudinal carina on basal 0.5 of the tergite, that rises into a sinuate striae posteriorly, separately striate laterally with 8 – 9 striae lateral to midlongitudinal carina ( Fig. 47 View FIGURES 37–47 ); ovipositor ventrally constricted subapically, ventral serrations before the constriction distal to ovipositor apex ( Fig. 41 View FIGURES 37–47 )................................................................ Colastomion neuterum Long , sp. n.
- Occipital carina angularly curved dorsally ( Fig. 14 View FIGURES 13–22 ); propodeum with short midbasal carina merging into transverse rugose posteriorly, rugo-punctate laterally; second metasomal tergite with midlongitudinal sinuate rugosity, with approximately 6 – 7 striae lateral to midlongitudinal carina, irregularly striate baso-laterlly, rugulose posteriorly ( Fig. 20 View FIGURES 13–22 ); ovipositor ventrally normal subapically, ventral serrations close to ovipositor apex ( Fig. 17 View FIGURES 13–22 ).......... Colastomion cephonodes Long & PVLam, sp. n.
6. Metasoma 2.0 × head and mesosoma combined; first metasomal carina with a complete midlongitudinal carina; midbasal triangular area of second tergite rises to a complete midlongitudinal carina; lateral side of pronotum crenulate medially; vein 1-SR+M of fore wing obviously S-shaped; vein 2-SC+R of hind wing vertical ( Fig. 67 View FIGURES 65–67 ); body black or blackish brown................................................................. Colastomion nigroconfusum Long & Pham , sp. n.
- Metasoma 1.3–1.6 × head and mesosoma combined; first metasomal carina with incomplete midlongitudinal carina; midbasal triangular area of second tergite giving rise to a short midbasal carina ( Figs 10 View FIGURES 10–12 , 26 View FIGURES 23–26 , 32 View FIGURES 27–36 , 55 View FIGURES 48–55 , 80 View FIGURES 78–83 ); lateral side of pronotum smooth or coriaceous medially; vein 1-SR+M of fore wing slighly curved ( Figs 33 View FIGURES 27–36 , 53 View FIGURES 48–55 , 78 View FIGURES 78–83 ); vein 2-SC+R of hind wing quadrate or subquadrate ( Figs 12 View FIGURES 10–12 , 25 View FIGURES 23–26 , 34 View FIGURES 27–36 , 54 View FIGURES 48–55 , 79 View FIGURES 78–83 ); body yellow or whitish yellow............................................ 7
7. Second metasomal tergite with indistinct midbasal triangular area giving rise to median like-carina rugosity, its surface irregularly striate ( Figs 26 View FIGURES 23–26 , 55 View FIGURES 48–55 )............................................................................... 8
- Second metasomal tergite with distinct midbasal triangular area giving rise to median carina, its surface sparsely striate ( Figs 10 View FIGURES 10–12 , 32 View FIGURES 27–36 , 80, 81 View FIGURES 78–83 )........................................................................................ 9
8. Occipital carina angularly curved dorsally; length of third segment of maxillary palp 1.6 × longer than maximally wide; fifth segment of maxillary palp 1.6 × sixth segment ( Fig. 24 View FIGURES 23–26 ); basal length of second submarginal cell 2.35 × as long as its apical width; second metasomal tergite without midlongitudinal carina; second-third metasomal tergites irregularly rugulose-striate ( Fig. 26 View FIGURES 23–26 ); antenna with 48–52 flagellomeres.......................... Colastomion cephonodes Long & PVLam, sp. n.
- Occipital carina almost evenly curved dorsally ( Fig. 49 View FIGURES 48–55 ); length of third segment of maxillary palp 1.85 × longer than maximally wide; fifth segment of maxillary palp as long as sixth segment ( Fig. 52 View FIGURES 48–55 ); basal length of second submarginal cell 3.45 × as long as its apical width; second metasomal tergite with midlongitudinal carina on 0.5 of the tergite; second-third metasomal tergites separately striate ( Fig. 55 View FIGURES 48–55 ); antenna with 47 flagellomeres................... Colastomion neuterum Long , sp. n.
9. In lateral view, temple narrow, transverse width of eye 3.0 × temple ( Fig. 27, 35 View FIGURES 27–36 ); precoxal sulcus narrow and rather deep, punctate ( Fig. 36 View FIGURES 27–36 ); propodeum almost smooth medially ( Fig. 31 View FIGURES 27–36 ); second metasomal tergite with large midbasal triangular area ( Fig. 32 View FIGURES 27–36 ); second submarginal cell of fore wing large ( Fig. 33 View FIGURES 27–36 ); vein SR of hind wing strongly curved on basal half, almost reaching wing margin ( Fig. 34 View FIGURES 27–36 ); antenna with 32 flagellomeres............................... Colastomion citrum Long , sp. n.
- In lateral view, temple wide, transverse width of eye 1.8–2.2 × temple ( Fig. 82 View FIGURES 78–83 ); precoxal sulcus shallow, coriaceous; propodeum rugo-punctate; second metasomal tergite with small midbasal triangular area ( Figs 10 View FIGURES 10–12 , 80, 81 View FIGURES 78–83 ); second submarginal cell of fore wing slender ( Fig. 78 View FIGURES 78–83 ); vein SR of hind wing almost straight, parallel to wing margin ( Figs 12 View FIGURES 10–12 , 79 View FIGURES 78–83 ); antenna with 47–51 flagellomeres....................................................................................... 10
10. In lateral view, third segment of maxillary palp convex medio-ventrally ( Fig. 11 View FIGURES 10–12 ); fore wing vein 1-CU1 distinctly shorter than vein cu-a; second submarginal cell of fore wing elongate (cf. Fig. 8 View FIGURES 1–9 ); hind wing vein 2-SC+R nearly longitudinal ( Fig. 12 View FIGURES 10–12 ); second metasomal tergite irregularly striate ( Fig. 10 View FIGURES 10–12 ); antenna with 51 flagellomeres..... Colastomion asperum Long , sp. n.
- In lateral view, third segment of maxillary palp nearly parallel-sided ( Fig. 83 View FIGURES 78–83 ); fore wing vein 1-CU1 as long as vein cu-a ( Fig. 78 View FIGURES 78–83 ); second submarginal cell of fore wing not elongate ( Fig. 78 View FIGURES 78–83 ); hind wing vein 2-SC+R subquadrate ( Fig. 79 View FIGURES 78–83 ); second metasomal tergite separately striate ( Fig. 80 View FIGURES 78–83 ); antenna with 47 flagellomeres............ Colastomion vietnamense Long , sp. n.
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