Cissidium yoruba Darby 2020
- Dataset
- A revision of Cissidium Motschulsky (Coleoptera: Ptiliidae) with seventy seven new species
- Rank
- SPECIES
- Published in
- Darby, Michael (2020): A revision of Cissidium Motschulsky (Coleoptera: Ptiliidae) with seventy seven new species. European Journal of Taxonomy 622: 1-188, DOI: 10.5852/ejt.2020.622
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Coleoptera
- family
- Ptiliidae
- genus
- Cissidium
- species
- Cissidium yoruba
description
Description SIZE. Habitus (Fig. 45 A), length 0.59 mm. COLOUR. Dark brown, shining, antennae, legs and pubescence dusky yellow. HEAD. With a shallow median depression between the eyes, width across eyes 0.21 mm;. antennomeres III – XI length 0.30 mm, III – IX length 0.16 mm, X – XI length 0.14 mm; mentum obscure. PRONOTUM. Length 0.15 mm, width 0.24 mm, sparsely pubescent, without foveolae but with a row of ± four foveae along the posterior margin; sides sharply rounded not quite angled, then slightly concave to the rectangular hind angles, lateral borders wide, continued more thinly for a short distance along basal margin to the emargination in front of the scutellum (Fig 45 B, tilted forwards) ELYTRA. Length 0.42 mm, width 0.33 mm, foveolate, densest in basal half, pubescence sparse. MESOVENTRITE. Collar with a tapering median extension widening posteriorly; mid-keel parallel-sided, the posterior angles with short raised carinae to the mesocoxal anterior borders; keel without setae, narrow, slightly tapering to a point near base of mesocoxae; mesoventral lateral margins rounded, serrate posteriorly; humeri large, bluntly toothed (Fig. 45 C). METAVENTRITE. Length 0.15 mm, sparsely pubescent, disc simple, width across spines 0.11 mm; margins of mesocoxal cavities serrate. WINGS. Macropterous. GENITALIA. Male aedeagus not found in the dissection. Female spermatheca globular.
description
Fig. 45
discussion
Remarks The only species of Cissidium to have been described from Nigeria.
etymology
Etymology Named after Yoruba, the West African language. Ile-Ife, known as Ife, in Osun State, Nigeria is believed to be the oldest Yoruba speaking city. Noun in apposition.
materials_examined
Material examined Holotype NIGERIA • ♂; Ile-Ife; 29 Dec. 1970; black light trap; J. T. Medlar leg.; MMUE. Paratypes NIGERIA • 2 ♀♀; same collection data as for holotype; one mounted verso; MMUE, BMNH.
Name
- Homonyms
- Cissidium yoruba Darby 2020