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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


PEREZDE LA CRUZ, Manuel; HERNANDEZ-MAY, Manuel A.; DE LA CRUZ-PEREZ, Aracely  and  SANCHEZ-SOTO, Saúl. Scolytidae and Platypodidae (Coleoptera: Curculionidae) of two conservation areas in Tabasco, Mexico. Rev. biol. trop [online]. 2016, vol.64, n.1, pp.319-326. ISSN 0034-7744.

The Scolytinae and Platypodinae are group of widely distributed tropical insects that are capable of using a wide range of hosts. The study of diversity associated with conservation sites allows estimating the richness and abundance of species, their population dynamics as well as understanding the population behavior over time. The species richness and abundance of Scolytinae and Platypodinae was studied in the Chontalpa Ecological Reserve (REC) and the José Narciso Rovirosa Botanical Garden (JBU) in Tabasco, Mexico. Insects were captured with ethyl alcohol traps. A total of 7 057 specimens belonging to 46 species and 26 genera were collected and identified; 42 species from 23 genera belong to Scolytinae and four species from three genera to Platypodinae. The species Bothrosternus foveatus (Blackman, 1943); Dendroterus luteolus (Schedl, 1951); Dendrocranulusguatemalensis (Hopkins, 1915); Micracis swainei (Blackman, 1920); Pseudothysanoes tenellus (Wood, 1971) y Ambrosiodmus obliquus (Leconte, 1878) are new records for the state of Tabasco. The species Corthylus papulans Eichhoff, 1869 with 2 509 specimens (35.55); Xyleborus volvulus (Fabricius, 1775) with 1 435 (20.33); and Xyleborus affinis Eichhoff, 1868 with 1 061 (15.03) were the most common species, representing 70.9 % of total. The population dynamics of these insects showed its highest peak during February and March with 2 728 specimens in JBU and December with 322 in REC of year 2010. Rev. Biol. Trop. 64 (1): 319-326. Epub 2016 March 01.

Keywords : insects; bark beetles; population dynamics; Tabasco.

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