Host Plants of the Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) in the Wetland of Poconé, MT, Brazil

Distribution of grasshoppers (Othoptera: Acridoidea) in the Tapacurá ecological station (São Lourenço da Mata, PE / Brazil)

“…Guido and Perkins (1975) arrived at the same conclusion regarding C. aquaticum in Uruguay, Argentina and the U.S.A. In Brazil, in the state of Mato Grosso, Ferreira and Vasconcelos-Neto (2001) confirmed these conclusions both in the field and in the laboratory.…”

Morphometric Differentiation in Cornops aquaticum (Orthoptera: Acrididae): Associations With Sex, Chromosome, and Geographic Conditions

“…Northern populations are bivoltine, whereas southern populations are univoltine ( Brede et al 2007 ). In addition to studying the ecological consequences of the introduction of a new species as a biological control agent, due, for example, to its feeding and oviposition preferences ( Ferreira and Vasconcellos-Neto 2001 , Oberholzer and Hill 2001 , Aguilar et al 2003 , Capello et al 2010 ), examining natural variability of populations is useful for knowing which ones may be more successful when introduced in new environments, and thus improve weed control management programs. Like other introduced species, C. aquaticum will have to face not only similar constraints as those exhibiting isolated populations but also new selective pressures.…”

“…Attempts to control this weed have led to several control method proposals, expensive and with limited success ( Oberholzer and Hill 2001 , Aguilar et al 2003 , Albright et al 2004 ). Because Perkins (1974) found that C. aquaticum was one of the most harmful insects associated with water hyacinths, its release was proposed as a form of biological control ( Ferreira and Vasconcellos-Neto 2001 , Oberholzer and Hill 2001 , Aguilar et al 2003 ). Although C. aquaticum can feed on a variety of aquatic plants, its life cycle is closely associated with the genus Eichhornia because other plant species are unsuitable for their endophytic oviposition ( Capello et al 2010 ).…”

TheOxycaryum cubensefloating mat as refuge ofCornops aquaticum(Orthoptera: Acrididae), a new control agent of the water hyacinth

“…The species lives in close association with Pontederiaceae floating meadows, especially the genus Eichhornia Kunth (1842) (Center et al 2002). The water hyacinth is the most typical macrophyte of floating meadows in large rivers in South America (Blanco Belmonte et al 1998) and is considered the worst pest of natural and artificial water bodies in tropical latitudes around the world (Waterhouse & Norris 1987;Julien et al 2001;Center et al 2002).Cornops aquaticum is being considered in South Africa as a biological control agent of the water hyacinth, E. crassipes (Bownes et al 2010a(Bownes et al , 2010b because laboratory and field studies on C. aquaticum have demonstrated a high host plant specificity to E. azurea and E. crassipes (Zolessi 1956;Silveira Guido & Perkins 1975;Cordo 1999;Hill & Oberholzer 2000;Ferreira & Vasconcellos-Neto 2001;Oberholzer & Hill 2001;Adis & Junk 2003;Vieira & Santos 2003;Lhano et al 2005;Franceschini et al 2011). Franceschini et al (2007Franceschini et al ( , 2008 showed that populations of C. aquaticum in North-eastern Argentina, in two wetlands with different host plants and *Corresponding author.…”