Abstract
Typophorus florigradus Bechyné & Špringlová, 1961 (Chrysomelidae, Eumolpinae) has been described based on material sampled from flowers of Convolvulaceae and Commelinaceae species in Utinga, state of Pará, Brazil, in 1960. After its description, there have been no new reports about its behavior or host plants. The present note thus aims to record its abundant presence in canopies of Callisthene fasciculata (Spr.) Mart. (Vochysiaceae) in the northern Pantanal region of Mato Grosso, Brazil.
Highlights
Eumolpinae is a Chrysomelidae subfamily with over 500 genera and approximately 7,000 species with cosmopolitan distribution whose diversity has increased across the tropics (Jolivet & Verma, 2008, Jolivet et al, 2014, Elgueta et al, 2017)
In an evaluation of the assembly of canopy coleopterans associated with Callisthene fasciculata (Spr.) Mart. (Vochysiaceae) during the high-water period of 2010 and the dry period of 2011 in the north region of the Pantanal biome, a total of 272 T. florigradus (Fig. 2) individuals were sampled, 270 during the high-water period and only two during the dry period
The record of T. florigradus associated with the canopy of C. fasciculata raises an important discussion about studies on the association between Chrysomelidae and its host plants
Summary
Eumolpinae is a Chrysomelidae subfamily with over 500 genera and approximately 7,000 species with cosmopolitan distribution whose diversity has increased across the tropics (Jolivet & Verma, 2008, Jolivet et al, 2014, Elgueta et al, 2017). Adults of this subfamily feed on leaves, whereas larvae feed preferentially on the subterraneous parts of dicotyledons and, rarely, on monocotyledons and gymnosperms (Jolivet et al, 2014). Polyphagia for species belonging to the same genus may be related to a preference of those insects for the same chemical compounds sequestered from different plant families, making them toxic and unpalatable (e.g. alkaloids, latex) (Jolivet & Verma, 2008, Jolivet et al, 2014)
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