Monodius laevistriatus
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Ordo: Coleoptera
Familia: Tenebrionidae
Genus: Monodius
Name
Monodius laevistriatus (Fairmaire, 1897) comb. n. – Wikispecies link – ZooBank link – Pensoft Profile
- Selinus laevistriatus Fairmaire, 1897: 122. – Gebien 1910[1]: 278, 1921[2]: 21, 1938[3]: 297.
- Ectateus laevistriatus (Fairmaire, 1897). – Koch 1956[4]: 237; Ardoin 1969[5]: 143, 1971[6]: 284; Iwan 2002a[7]: 67, 2002b[8]: 265.
Studied material
Holotype, female (MNHN): “TYPE”, “Sierra-Leone”, “Selinus laevistriatus Frm [unreadable] Type”, “Muséum Paris, 1906, Coll. L. Fairmaire”. Other material: males and 2 female (MNHN): “Fort Camp, 1070m, 26-V-1963”, “Mission ENS-IFAN, aux Monts LOMA, Sierra Leone”, “Muséum Paris, coll. P. Ardoin, 1978”, “Monodius laevistriatus, Fairm., P. Ardoin det. 1966”.
Redescription
Habitus as in Fig. 53. Body length = 12.0–14.0 mm. Elytra wider and longer than pronotum (width ratio elytra / pronotum = 1.1–1.2; length ratio elytra / the middle of pronotum = 2.2–2.4).
Dorsal side of head dull, with fine punctures (the intervals between the punctures are smaller than the diameter of the puncture). Frontoclypeal suture fine. Clypeal emargination relatively deep (clypeal emargination width / depth ratio = 7.1–7.5). Mentum with median part wide. Submentum with short base. Maxillary palp not widened (width of maxillary palp / length of 3rd antennomere = 1.1–1.2). Length of antennae greater than pronotal length (ratio antenna / pronotum from tip of anterior pronotal angle to tip of posterior pronotal angle = 1.2–1.3). 3rd antennomere relatively long (length ratio of antennomere 3rd / 2nd = 2.8–2.9).
Pronotal disc transverse (middle of pronotum length / width ratio = 0.5–0.6); dull, with fine punctures (the intervals between the punctures are greater than the 2 diameters of the puncture); with two circular depressions in the middle. Anterior pronotal angles sharp and strongly protruding towards front. Lateral margins of pronotal disc rounded. Apophyseal and basal depressions on pronotal disc present; apophyseal depressions trapezoidal. Pronotal hypomera dull; without punctures.
Elytra oblong (elytra length / width ratio = 1.1–1.2). Elytral striae with fine punctures; impressed on the whole length. Elytral intervals shiny, non-convex, with conspicuous punctures (the intervals between the punctures are smaller than the diameter of the puncture). Elytral base slightly sinusoidal. Elytral humeri rounded, not protruding laterad. Wings absent. Scutellum rounded.
Intercoxal process not protruding towards mesoventrite. Metaventrite reduced (length ratio cavity of hind coxa / metaventrite between the insertions of mid and hind coxae ca. 2). In both sexes abdominal process without tubercles, relatively narrow (process of 1st abdominal ventrite / process of metaventrite = 2.1–2.3). 5th abdominal ventrite without bordering; punctures fine (the intervals between the punctures are greater than the 2 diameters of the puncture).
Male legs. Protarsi slightly widened. Protibiae as in Monodius convexipennis. Mesofemorae with a large denticle at the apex, mesotibia with a small denticle at the apex. Metafemorae with an hair fringe. Female legs. Protarsi slightly widened. Other leg parts simple.
Male genitalia. Parameres strongly narrowed toward apex; length equal to the 0.5 of the rest of aedeagal tegmen (Fig. 19). Clavae straight (Fig. 19). Female genitalia. Paraproct equal to coxites. Bursa copulatrix with two sacs. Spermatheca with narrow ducts.
Distribution
This species has been collected in the following ecoregions of West Africa (Sierra Leone): Western Guinean lowland forests (Fig. 42).
Taxon Treatment
- Kamiński, M; 2014: A cladistically based reinterpretation of the taxonomy of two Afrotropical tenebrionid genera Ectateus Koch, 1956 and Selinus Mulsant & Rey, 1853 (Coleoptera, Tenebrionidae, Platynotina) ZooKeys, 415: 81-132. doi
Images
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Other References
- ↑ Gebien H (1910) Tenebrionidae I. In: W. Junk, S. Schenkling, Coleopterorum Catalogus, Berlin 18: 167–354.
- ↑ Gebien H (1921) Die Tenebrioniden West–Afrikas. Archiv für Naturgeschichte 86: 1–256.
- ↑ Gebien H (1938) Katalog der Tenebrioniden. Teil II. Mitteilungen der Muncher Entomologischen Gesellschaft 28: 49–80, 283–428 [370–465].
- ↑ Koch C (1956) Exploration du Parc National de l’Upemba. II. Tenebrionidae (Coleoptera, Polyphaga), Opatrinae, First part: Platynotini, Litoborini and Loensini. Bruxelles, 472 pp.
- ↑ Ardoin P (1969) Contribution à la connaissance de la Faune Entomologique de la Côte–D’Ivoire (J. Decelle, 1961–1964), Deuxième Partie 37 – Coleoptera, Tenebrionidae. Musée Royal de l’Afrique Centrale, Annales – Serie IN-8° - Sciences Zoologiques 175: 139–285.
- ↑ Ardoin P (1971) Le massif des Monts Loma (Sierra Leone). XII. Coleoptera Tenebrionidae. Mémoires de l’Institut Français d’Afrique Noire 86: 283–290.
- ↑ Iwan D (2002a) Generic classification of the tribe Platynotini (Coleoptera: Tenebrionidae), with notes on phylogeny. Annales Zoologici 52: 1–149.
- ↑ Iwan D (2002b) Catalogue of the World Platynotini (Coleoptera: Tenebrionidae). Genus 13: 219–323.
- ↑ Olson D, Dinerstein E, Wikramanayake E, Burgess N, Powell G, Underwood E, D’Amico J, Itoua I, Strand H, Morrison J, Loucks C, Allnutt T, Ricketts T, Kura Y, Lamoreux J, Wettengel W, Hedao P, Kassem K (2001) Terrestrial Ecoregions of the World: A new map of life on Earth (PDF, 1.1M). BioScience 51: 933–938. doi: 10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2