01216nas a2200169   4500008004100000020001400041245010600055210006900161260000800230300001200238490000700250520059300257653001100850100003000861700003500891856012000926       2010                        eng d  a0085-562600aMorphological aspects of the genitalia of seven species of Heilus Kuschel (Coleoptera, Curculionidae)0 aMorphological aspects of the genitalia of seven species of Heilu  cApr  a157-1640 v543 aMorphological aspects of the genitalia of seven species of Heilus Kuschel (Coleoptera, Curculionidae). Morphological aspects of the male and female genitalia and their associated sclerites, abdominal tergite and sternite 8, are described, illustrated and discussed for seven species of Hellos Kuschel 1955 of tribe and subtribe Hylobiini-Hylobiina. The seven species arc H. faldermanni (Boheman, 1836); H. fasciculatus (Bohemian, 1843); H.,freyreissi (Boheman, 1836); H. myops (Boheman, 1836); H. pupillatus (Olivier, 1790); H. rufescens (Boheman, 1836) and H. tuberculosus (Perry, 1832).10aHeilus1 aSantos, Geane, Brizzola d1 aRosado-Neto, Germano, Henrique  uhttps://weevil.myspecies.info/morphological-aspects-genitalia-seven-species-heilus-kuschel-coleoptera-curculionidae02461nas a2200193   4500008004100000020001400041245016500055210006900220260001800289300001000307490000700317520167300324653002301997100003102020700002802051700003502079700001802114856013502132       2007                        eng d  a0085-562600aSurface swimming behavior of the curculionid Ochetina uniformis Pascoe (Erirhininae, Stenopelmini) and Ludovix fasciatus (Gyllenhal) (Curculioninae, Erodiscini)0 aSurface swimming behavior of the curculionid Ochetina uniformis   cJanuary-March  a87-920 v513 aSurface swimming behavior of the curculionid Ochetina uniformis Pascoe (Erirhininae, Stenopelmini) and Ludovix fasciatus (Gyllenhal) (Curculioninae, Erodiscini). The swimming behavior exhibited by specimens of L. fasciatus and O. uniformis was analyzed frame-by-frame with video observation recorded with a digital camera, attached to a stereomicroscope. Adults of O. uniformis, an aquatic insect, swim with all three pairs of legs. During the process of swimming the majority of the abdomen and rostrum remain submerged, part of the fore and hind tibiae remain above the surface, while the mid tibiae remain submerged. The mesothoracic legs, during the power-stroke stage, provide the greatest thrust while the metathoracic legs provide the least forward propulsion. The prothoracic legs, extended forward, help to direct the swimming. The semi-aquatic specie L. fasciatus shows the same swimming style as O. uniformis, that is, with movement of all the three pairs of legs; the mesothoracic legs are responsible for the main propulsion. The insect body remains on the water surface during the process of swimming, while the legs remain submerged. Both species complete a swimming cycle in 0.33 and 0.32 seconds, respectively, with an average speed of 1.38 cm/s and a maximum and minimum swimming duration time of 11.15 and 5.05 minutes, respectively, for L. fasciatus. The swimming behavior exhibited by O. uniformis and L. fasciatus corresponds to the style known as a breast stroke-like maneuver. This is the first record of this kind of swimming for both species here observed and increases to seven the number of genera of Curculionidae exhibiting this behavior.10aOchetina uniformis1 ade Sousa, Wesley, Oliveira1 aMarques, Marinez, Isaac1 aRosado-Neto, Germano, Henrique1 aAdis, Joachim  uhttps://weevil.myspecies.info/surface-swimming-behavior-curculionid-ochetina-uniformis-pascoe-erirhininae-stenopelmini-and-ludovix01960nas a2200217   4500008004100000020002500041245016400066210006900230260000900299300001200308490000600320520118000326653002201506653002901528653002301557100003101580700003501611700002801646700001801674856005001692       2009                        eng d  a1806-129X; 1676-061100aWeevils associated with Pistia stratiotes L. (Araceae) in the central Amazon region, with new records for Argentinorhynchus Brethes (Coleoptera, Curculionidae)0 aWeevils associated with Pistia stratiotes L Araceae in the centr  c2009  a289-2910 v93 aData on the occurrence of ten weevils species associated with Pistia stratiotes L. (Araceae), from Ilha de Marchantaria, Manaus (Amazonas, Brazil) are presented for the irst time. During the period from March to August 2005, 809 weevils specimens were sampled on P. stratiotes, distributed across nine species allocated in five genera of Stenopelmini, in addition to one unidentiied species in the Cryptorhynchinae. Among the Stenopelmini, Argentinorhynchus breyeri Brethes, 1910 (N = 665) was the dominant species, with the highest abundance in July (N = 189) and the lowest in August (N = 11), while Ochetina uniformis Pascoe, 1881 (N = 63), Neochetina bruchi Hustache, 1926 (N = 45), Neohydronomus pulchellus Hustache, 1926 (N = 15), Neohydronomus afinis Hustache, 1926 (N = 10), A. squamosus (Hustache, 1926) (N = 5), Neochetina eichhorniae Warner, 1970 (N = 4), A. minimus O'Brien & Wibmer, 1989b (N = 1), and Tanysphiroideus sp. (N = 1) had lower abundances. In addition, the co-occurrences of A. breyeri, A. minimus, and A. squamosus on P. stratiotes were recorded for Brazil and the irst records of A. minimus and A. squamosus were observed for the State of Amazonas.10aNeochetina bruchi10aNeohydronomus pulchellus10aOchetina uniformis1 ade Sousa, Wesley, Oliveira1 aRosado-Neto, Germano, Henrique1 aMarques, Marinez, Isaac1 aAdis, Joachim  uhttp://www.biotaneotropica.org.br/v9n4/pt/toc