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Abstract:

Larval morphology of the New World tenebrionid genus Scotobius Germar is studied based on a description of the first instar of S. Pilularius Germar, with emphasis on chaetotaxic analysis of the cephalic capsule, head appendages, legs, and thoracic and abdominal segments. This represents the first description of a larva of Scotobius, and the first detailed treatment of the larval primary chaetotaxy pattern of a tenebrionid. A short description and photographs of the eggs are also provided, which are deposited individually and agglutinate small substrate particles. As remarkable characteristics of the studied larvae, the sclerome is a simple oval structure, the tergum IX is acuminate posteriorly, the segment X is extremely small and almost completely concealed by the sternum IX, and prothoracic legs are somewhat more robust than the meso- and metathoracic pairs, which is generally the case in soil-dwelling larvae. Some discussion is provided on a long-standing controversy regarding homology and terminology of the last leg segments in coleopteran larvae. © Museum and Institute of Zoology PAS.

Registro:

Documento: Artículo
Título:Description of the Egg and First-Instar Larva of Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae: Scotobiini), and Analysis of Larval Primary Chaetotaxy
Autor:Silvestro, V.A.; Michat, M.C.
Filiación:Laboratorio de Entomología, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), E Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA, CONICET-UBA), Buenos Aires, Argentina
Palabras clave:chaetotaxy.; larval description; Neotropical region; Scotobius pilularius; Tenebrioninae
Año:2016
Volumen:66
Número:4
Página de inicio:681
Página de fin:691
DOI: http://dx.doi.org/10.3161/00034541ANZ2016.66.4.019
Título revista:Annales Zoologici
Título revista abreviado:Ann. Zool.
ISSN:00034541
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00034541_v66_n4_p681_Silvestro

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Citas:

---------- APA ----------
Silvestro, V.A. & Michat, M.C. (2016) . Description of the Egg and First-Instar Larva of Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae: Scotobiini), and Analysis of Larval Primary Chaetotaxy. Annales Zoologici, 66(4), 681-691.
http://dx.doi.org/10.3161/00034541ANZ2016.66.4.019
---------- CHICAGO ----------
Silvestro, V.A., Michat, M.C. "Description of the Egg and First-Instar Larva of Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae: Scotobiini), and Analysis of Larval Primary Chaetotaxy" . Annales Zoologici 66, no. 4 (2016) : 681-691.
http://dx.doi.org/10.3161/00034541ANZ2016.66.4.019
---------- MLA ----------
Silvestro, V.A., Michat, M.C. "Description of the Egg and First-Instar Larva of Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae: Scotobiini), and Analysis of Larval Primary Chaetotaxy" . Annales Zoologici, vol. 66, no. 4, 2016, pp. 681-691.
http://dx.doi.org/10.3161/00034541ANZ2016.66.4.019
---------- VANCOUVER ----------
Silvestro, V.A., Michat, M.C. Description of the Egg and First-Instar Larva of Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae: Scotobiini), and Analysis of Larval Primary Chaetotaxy. Ann. Zool. 2016;66(4):681-691.
http://dx.doi.org/10.3161/00034541ANZ2016.66.4.019