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Zenodo
2026
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| 在線閱讀: | https://doi.org/10.5281/zenodo.20126866 |
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- <p><b>Genus <i>Stenelmis</i> Dufour, 1835</b></p><p>Figs 3E, 6E, 10A, 13E, 14W</p><p><i>Stenelmis</i> Dufour, 1835: 158.</p><p><i>Nomuraelmis</i> Satô, 1964: 11 (synonymized by Kobayashi <i>et al.</i> 2021: 870).</p><p><b>Type species</b></p><p><i>Limnius canaliculatus</i> Gyllenhal, 1808.</p><p><b>Differential diagnosis</b></p><p><i>Stenelmis</i> is characterized by the combination of the following characters: 1) body (Figs 3E, 10A) elongate; 2) antennae with segments 3–10 filiform; segment 11 longer; 3) surface of the pronotum (Figs 3E, 6E, 10A) smooth to granulose; anterolateral angles moderately to distinctly produced; sides slightly arcuate to bisinuate; sublateral carinae absent to almost complete; median groove usually distinct, in many species with raised or carinate outline; transverse impression absent; some species have gibbosities or impressions on pronotum; 4) surface of the elytra (Figs 3E, 10A) smooth; sides subparallel in basal 2/3, then tapered into rounded apex; sublateral carina on 6 th interval, 3 rd interval flat or carinate basally, rarely completely; intervals nearly flat; 5) prosternum moderately long to long in front of procoxae; anterior margin laterally lowered without distinct indentation; prosternal process moderately wide, apically widened with rounded apex (Fig. 13E), often medially emarginate; 6) legs with femora stout, tibiae without apical fringes, tarsal claws simple (Fig. 14W) or with feebly developed basal tooth.</p><p><b>Similar genera</b></p><p><i>Stenelmis</i> is closely related to <i>Leptelmis</i>, sharing the lack of cleaning fringe on the inner margin of the protibia and a similar body shape. However, it is distinguished by the absence of a transverse impression on the pronotum, the presence of a median groove in most species, and shorter legs.</p><p><b>Larva</b></p><p>First time described and illustrated from USA by Matheson (1914). For detailed description see e.g., Bertrand (1962), Hayashi & Yoshitomi (2014).</p><p><b>Distribution</b></p><p>Widespread in Angola, Burkina Faso, Cameroon, Central African Republic, Côte d’Ivoire, Democratic Republic of the Congo, Ethiopia, Gabon, Ghana, Guinea, Kenya, Liberia, Malawi, Republic of the Congo, Rwanda, Sierra Leone, South Africa, Tanzania, Uganda. New country records for Benin, Togo and Zambia. Occurs also in the Indomalayan, Nearctic and Palaearctic regions.</p><p><b>Included Afrotropical species</b></p><p><i>Stenelmis adusta</i> Delève, 1938; <i>Ste. alluaudi</i> Grouvelle, 1906; <i>Ste. aloysiisabaudiae</i> Pic, 1930; <i>Ste. ampliata</i> Delève, 1938; <i>Ste. angolensis</i> Delève, 1966; <i>Ste. aphela</i> Alluaud, 1933; <i>Ste. ares</i> Hinton, 1941; <i>Ste. calceata</i> Delève, 1963; <i>Ste. carbonaria</i> Delève, 1966; <i>Ste. cavicula</i> Delève, 1966; <i>Ste. chappuisi</i> Alluaud, 1933; <i>Ste. clavareaui</i> Grouvelle, 1900; <i>Ste. confusa</i> Delève, 1966; <i>Ste. cristata</i> Delève, 1966; <i>Ste. decellei</i> Delève, 1966; <i>Ste. fastuosa</i> Delève, 1966; <i>Ste. gades</i> Hinton, 1941; <i>Ste. grouvellei</i> Alluaud, 1933; <i>Ste. hera</i> Hinton, 1941; <i>Ste. jeanneli</i> Grouvelle, 1920; <i>Ste. laeticollis</i> Delève, 1966; <i>Ste. liberiana</i> Delève, 1973; <i>Ste. merella</i> Hinton, 1941; <i>Ste. noblei</i> Delève, 1966; <i>Ste. nomia</i> Hinton, 1941; <i>Ste. phymatodes</i> Alluaud, 1933; <i>Ste. planiuscula</i> Delève, 1963; <i>Ste. prusias</i> Hinton, 1941; <i>Ste. rufocarinata</i> Delève, 1956; <i>Ste. scotti</i> Hinton, 1940; <i>Ste. simplex</i> <i>simplex</i> Delève, 1938; <i>Ste. simplex nyongi</i> Delève, 1963; <i>Ste. soror</i> Delève, 1938; <i>Ste. tarsalis</i> Delève, 1937; <i>Ste. thusa</i> Hinton, 1941.</p>