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| Format: | Recurso digital |
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Zenodo
2019
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| Matèries: | |
| Accés en línia: | https://doi.org/10.5281/zenodo.8065871 |
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- <p><b>Key to species of the genus <i>Hylomus</i> species in Vietnam</b></p><p><b>1</b>. Paraterga wing-shaped ........................................... <i>H. spectabilis</i></p><p>- Paraterga antler- or spine-shaped (Figs. 3, 7, 9, 11) ................... 2</p><p><b>2</b>. Paraterga antler-shaped (Figs. 3, 7, 11) ...................................... 3</p><p>- Paraterga spine-shaped (Fig. 9) ................................................ 11</p><p><b>3.</b> Epiproct unmodified, without conspicuous setiferous knobs near tip (Fig. 18 A−B) ......................................................................... 4</p><p>- Epiproct modified, with several evident setiferous knobs near tip (Figs. 7F, 28B)............................................................................ 7</p><p><b>4.</b> Metaterga smooth, more or less shining. Male femora unmodified ......................................................................................... <i>H. asper</i></p><p>- Metaterga rough, dull, granular. Male femora modified, inflated. ..................................................................................................... 5</p><p><b>5</b>. Metaterga with more than 4 + 4 posterior setiferous spines on midbody segments (Fig. 17A). Body pale or weakly pigmented. Lamina lateralis of gonopod solenophore with densely setose region (Figs. 19−20) ................................................... <i>H. songoku</i></p><p>© 2019 Academia Sinica, Taiwan</p><p>- Metaterga with less than 4 + 4 posterior setiferous spines on midbody segments. Body pigmented. Lamina lateralis of gonopos solenophore without densely setose region ................................ 9</p><p>6. Metaterga with 3 + 3 posterior setiferous spines. Male femora 6, 7 and 9 humped ventrally. Fifth sternum with a pair of tubercles between coxae 4 ....................................................... <i>H. cervarius</i></p><p>- Metaterga with 2 + 2 posterior setiferous spines. Male femora 6 and 7, sometime femur 5 modified, each with a large hump on ventral side. Fifth sternum with either rectangular process or bifid trapeziform lamina between coxae 4.......................................... 7</p><p>7. Body light or darkish brown. Fifth sternum with a bifid trapeziform lamina between coxae 4.......................................... 8</p><p>- Body reddish or pinkish. Fifth sternum with four round tubercles on a prominent, elevated, rectangular lamina between male coxae 4 .................................................................................. <i>H. enghoffi</i></p><p>8. Male femora 6, 7 humped ventrally (Fig. 28D). Tip of solenophore broadly rounded lobuliform (Figs. 29−30) <i>............... ........................................................................................ H. namek</i></p><p>- Male femora 6, 7, sometimes 5, humped ventrally (Fig. 23B). Tip of solenophore acute (Figs. 24−25) ............................. <i>H. saiyans</i></p><p>9. At least 3 + 3 posterior metatergal spines on metaterga........... 10 - Only 1 + 1 posterior poor setae on metaterga (Fig. 3B, D) ........... ............................................................................... <i>H. cattienensis</i></p><p>10. Colour pink to red. Metaterga with numerous microsetae, and 4 + 4 posterior spines (Fig. 4A, B, D, E) ............................ <i>H. pilosus</i></p><p>- Colour dark to castaneous brown. Metaterga with microgranulation, and 3 + 3 posterior spines ............ <i>H. proximus</i></p><p>11. A row of 1 + 1 posterior spines on metaterga. Gonopod subfalcate, femorite slightly curved; solenomere long .................. .................................................................................... <i>H. specialis</i></p><p>- A row of 2 + 2 posterior tubercles/spines on metaterga. Gonopod falcate; solenophore short, pointed terminally ......................... 12</p><p>12. Fifth sternum with two independent setiferous tubercles between coxae 4. Antenna long and slender.............................. <i>H. grandis</i></p><p>- Fifth sternum with a bifid setiferous trapeziform lamina between coxae 4. Antenna short and stout (Fig. 9B) ................... <i>H. holstii</i></p>