@article {10965, title = {Biological notes on two species of Oxycorynus (Coleoptera: Belidae) associated with parasitic plants of the genus Lophophytum (Balanophoraceae), and new distribution records in Argentina}, journal = {Revista de la Sociedad Entomologica Argentina}, volume = {70}, number = {3-4}, year = {2011}, month = {July-Dec}, pages = {351-355}, abstract = {This contribution provides new information on the association of weevils of the genus Oxycorynus Chevrolat (Belidae: Oxycoryninae) with parasitic plants of the genus Lophophytum Schott\&Endl. (Balanophoraceae). New distribution records of Oxycorynus in Argentina are provided.}, keywords = {Oxycorynus}, isbn = {0373-5680}, author = {Ferrer, Maria S. and Marvaldi, Adriana E. and Sato, Hector A. and Gonzalez, Ana M.} } @article {10962, title = {New host plant and distribution records for weevils of the genus Hydnorobius (Coleoptera: Belidae)}, journal = {Revista de la Sociedad Entomologica Argentina}, volume = {69}, number = {3-4}, year = {2010}, month = {Jul-Dec}, pages = {271-274}, abstract = {The association of Hydnorobius hydnorae (Pascoe) (Belidae: Oxycoryninae) with both species of the genus Prosopanche de Bary (Hydnoraceae), Prosopanche americana (R. Br.) Baillon and Prosopanche bonacinai Spegazzini, is reported, providing the first record of its occurrence on the latter. A new distribution record, from Southern Mendoza, is given for the plant P. bonacinai and for the two weevil species associated with it: Hydnorobius hydnorae and Hydnorobius parvulus (Bruch). Such cooccurrence of two species of Hydnorobius Kuschel on the same host plant is also recorded for the first time.}, keywords = {Hydnorobius hydnorae, Hydnorobius parvulus}, isbn = {0373-5680}, author = {Ferrer, Maria S. and Marvaldi, Adriana E.} } @article {8563, title = {Key to higher taxa of South American weevils based on adult characters (Coleoptera, Curculionoidea)}, journal = {Revista Chilena de Historia Natural}, volume = {78}, number = {1}, year = {2005}, month = {Marzo}, pages = {65-87}, type = {Article}, abstract = {The weevils (Coleoptera: Curculionoidea) from South America are Currently classified in the following families and subfamilies: Nemonychidae (Rhinorhynchinae), Anthribidae (Anthribinae), Belidae (Belinae and Oxycoryninae), Attelabidae (Attelabinae and Rhynchitinae), Brentidae (Apioninae and Brentinae), Caridae, (Carinae) and Curculionidae (Erirhininae, Dryophthorinae, Entiminae, Aterpinae, Gonipterinae, Rhythirrininae, Thecesterninae, Eugnominae, Hyperinae, Curculioninae, Cryptorhynchinae, Mesoptiliinae (= Magdalidinae), Molytinae, Baridinae, Lixinae, Conoderinae (= Zygopinae), Cossoninae, Scolytinae and Platypodinae). In the present contribution we bring a dichotomous key for the identification of seven families and 28 subfamilies of Curculionoidea from South America, and for 21 tribes of the highly heterogeneous subfamilies Curculioninae and Molytinae. These tribes are Curculionini Anthonomini, Ceutorhynchini, Derelomini, Otidocephalini, Erodiscini, Camarotini, Piazorhinini, Prionobrachiini, Smicronychini, Rhamphini and Tychiini. within Curculioninae; and Hylobiini, Pissodini, Conotrachelini, Cleogonini, Sternechini, Pacholenini, Cholini, Petalochilini and Amalactini, within Molytinae. Most of them have been classified as subfamilies in traditional schemes. The key is mainly based on external morphological characters, but also includes data on genitalia, mouth parts and other biological features. Definitions and illustrations of diagnostic characters used in the key are provided.}, isbn = {0716-078X}, author = {Marvaldi, Adriana E. and Lanteri, Analia A.} } @article {8564, title = {Structural alignment of 18S and 28S rDNA sequences provides insights into phylogeny of Phytophaga (Coleoptera: Curculionoidea and Chrysomeloidea)}, journal = {Zoologica Scripta}, volume = {38}, number = {1}, year = {2009}, month = {January}, pages = {63-77}, abstract = {We performed a comparative study of partial rDNA sequences from a variety of Coleoptera taxa to construct an annotated alignment based on secondary structure information, which in turn, provides improved rRNA structure models useful for phylogenetic reconstruction. Subsequent phylogenetic analysis was performed to test monophyly and interfamilial relationships of the megadiverse plant feeding beetle group known as {\textquoteright}Phytophaga{\textquoteright} (Curculionoidea and Chrysomeloidea), as well as to discover their closest relatives among the Cucujiformia. Parsimony and Bayesian analyses were performed based on the structural alignment of segments of 18S rRNA (variable regions V4-V5, V7-V9) and 28S rRNA (expansion segment D2). A total of 104 terminal taxa of Coleoptera were included: 96 species of Cucujiformia beetles, representing the families and most {\textquoteright}subfamilies{\textquoteright} of weevils and chrysomeloids (Phytophaga), as well as several families of Cleroidea, Tenebrionoidea and Cucujoidea, and eight outgroups from three other polyphagan series: Scarabaeiformia, Elateriformia and Bostrichiformia. The results from the different methods of analysis agree - recovering the monophyly of the {\textquoteright}Phytophaga{\textquoteright}, including Curculionoidea and Chrysomeloidea as sister groups. The curculionoid and chrysomeloid phylogeny recovered from the aligned 18S and 28S rDNA segments, which is independent of morphological data, is in agreement with recent hypotheses or concepts based on morphological evidence, particularly with respect to familial relationships. Our results provide clues about the evolutionary origin of the phytophagan beetles within the megaclade Cucujiformia, suggesting that the sister group of {\textquoteright}Curculionoidea + Chrysomeloidea{\textquoteright} is a clade of the {\textquoteright}Cucujoidea{\textquoteright}, represented in this study by species in Boganiidae, Erotylidae, Nitidulidae, Cucujidae and Silvanidae. The Coccinellidae and Endomychidae are not grouped with the latter, and the remaining terminal taxa are nested in Tenebrionoidea and Cleroidea. We propose that the combination of structurally aligned ribosomal RNA gene regions 18S (V4-V5, V7-V9) and 28S (D2) are useful in testing monophyly and resolving relationships among beetle superfamilies and families.}, isbn = {0300-3256}, author = {Marvaldi, Adriana E. and Duckett, Catherine N. and Kjer, Karl M. and Gillespie, Joseph J.} } @article {8566, title = {Key to larvae of the South American subfamilies of weevils (Coleoptera, Curculionoidea)}, journal = {Revista Chilena de Historia Natural}, volume = {76}, number = {4}, year = {2003}, month = {Diciembre}, pages = {603-612}, type = {Article}, abstract = {The weevils (Coleoptera: Curculionoidea) from South America are classified into seven families and 28 subfamilies as follows: Nemonychidae (Rhinorhynchinae), Anthribidae (Anthribinae), Belidae (Belinae and Oxycoryninae), Attelabidae (Attelabinae and Rhynchitinae), Brentidae (Apioninae and Brentinae), Caridae (Carinae) and Curculionidae (Erirhininae, Dryophthorinae, Entiminae, Aterpinae, Gonipterinae, Rhythirrininae, Thecesterninae, Eugnominae, Hyperinae, Curculioninae, Cryptorhynchinae, Mesoptiliinae (= Magdalidinae), Molytinae, Baridinae, Lixinae, Conoderinae (= Zygopinae), Cossoninae, Scolytinae and Platypodinae). A dichotomous key for the larval stage is provided for identification of the families and subfamilies of Curculionoidea present in South America. The key is based on external morphological characters and contains data on larval feeding habits.}, isbn = {0716-078X}, author = {Marvaldi, Adriana E.} } @article {5187, title = {Immature stages of Rhyparonotus altarensis (Olliff) (Coleoptera: Curculionidae: Molytinae), with comments on larval characters in Anchonini and Molytinae}, journal = {Journal of the New York Entomological Society}, volume = {106}, number = {2-3}, year = {1998}, month = {Spring-Summer}, pages = {95-104}, type = {Article}, isbn = {0028-7199}, url = {http://www.jstor.org/pss/25010265}, author = {Marvaldi, Adriana E. and Morrone, Juan J.} } @article {4910, title = {Temporal lags and overlap in the diversification of weevils and flowering plants}, journal = {Proceedings of the National Academy of Sciences of the United States of America }, volume = {106}, number = {17}, year = {2009}, pages = {7083-7088}, edition = {13 April 2009}, abstract = {The extraordinary diversity of herbivorous beetles is usually attributed to coevolution with angiosperms. However, the degree and nature of contemporaneity in beetle and angiosperm diversification remain unclear. Here we present a large-scale molecular phylogeny for weevils (herbivorous beetles in the superfamily Curculionoidea), one of the most diverse lineages of insects, based on ≈8 kilobases of DNA sequence data from a worldwide sample including all families and subfamilies. Estimated divergence times derived from the combined molecular and fossil data indicate diversification into most families occurred on gymnosperms in the Jurassic, beginning ≈166 Ma. Subsequent colonization of early crown-group angiosperms occurred during the Early Cretaceous, but this alone evidently did not lead to an immediate and major diversification event in weevils. Comparative trends in weevil diversification and angiosperm dominance reveal that massive diversification began in the mid-Cretaceous (ca. 112.0 to 93.5 Ma), when angiosperms first rose to widespread floristic dominance. These and other evidence suggest a deep and complex history of coevolution between weevils and angiosperms, including codiversification, resource tracking, and sequential evolution.}, url = {http://www.pnas.org/content/106/17/7083}, author = {McKenna, D. D. and Sequeira, A. S. and Marvaldi, Adriana E. and Farrell, B. D.} } @article {4897, title = {First records of three species of Oxycraspedus Kuschel (Cole{\'o}ptera: Belidae) in Argentina and use of a predictive model to compare their potential distribution with the range of their host-plant, Araucaria araucana}, journal = {Revista Chilena de Historia Natural}, volume = {80}, year = {2007}, pages = {327-333}, abstract = {The first records of the three known species of Oxycraspedus Kuschel (Belidae: Oxycoryninae) in Argentina are reported, and added to their known distribution in Chile. These weevils are of interest because of their association with the pehu{\'e}n or monkey puzzle tree, Araucaria araucana, a species of conservation concern. Their distribution data are of value for the protection of biodiversity in natural areas of Patagonia. The potential distribution of Oxycraspedus, as predicted by a model using bioclimatic variables, is coincident as expected, with the geographic range of the araucaria host-plant.Se reportan por primera vez en Argentina las tres especies de Oxycraspedus Kuschel (Belidae: Oxycoryninae) y se a{\~n}aden a su distribuci{\'o}n en Chile. Estos gorgojos son de inter{\'e}s debido a su asociaci{\'o}n con el pehu{\'e}n Araucaria araucana, una especie de gran inter{\'e}s en temas de conservaci{\'o}n. Los datos sobre su distribuci{\'o}n son valiosos para proteger la biodiversidad en {\'a}reas de la Patagonia. La distribuci{\'o}n potencial de Oxycraspedus predicha por un modelo a partir de variables bioclim{\'a}ticas, es coincidente, como se esperaba, con el rango geogr{\'a}fico de su planta hu{\'e}sped, la araucaria.}, url = {http://www.scielo.cl/scielo.php?script=sci_arttext\&pid=S0716-078X2007000300006\&lng=en\&nrm=iso}, author = {Ferrer, M.S. and Marvaldi, Adriana E. and Tognelli, M.F.} } @article {4268, title = {First records of three species of Oxycraspedus Kuschel (Cole{\'o}ptera: Belidae) in Argentina and use of a predictive model to compare their potential distribution with the range of their host-plant, Araucaria araucana. }, journal = {Revista Chilena de Historia Natural}, volume = {80}, number = {3}, year = {2007}, pages = {327-333}, abstract = {The first records of the three known species of Oxycraspedus Kuschel (Belidae: Oxycoryninae) in Argentina are reported, and added to their known distribution in Chile. These weevils are of interest because of their association with the pehu{\'e}n or monkey puzzle tree, Araucaria araucana, a species of conservation concern. Their distribution data are of value for the protection of biodiversity in natural areas of Patagonia. The potential distribution of Oxycraspedus, as predicted by a model using bioclimatic variables, is coincident as expected, with the geographic range of the araucaria host-plant.Se reportan por primera vez en Argentina las tres especies de Oxycraspedus Kuschel (Belidae: Oxycoryninae) y se a{\~n}aden a su distribuci{\'o}n en Chile. Estos gorgojos son de inter{\'e}s debido a su asociaci{\'o}n con el pehu{\'e}n Araucaria araucana, una especie de gran inter{\'e}s en temas de conservaci{\'o}n. Los datos sobre su distribuci{\'o}n son valiosos para proteger la biodiversidad en {\'a}reas de la Patagonia. La distribuci{\'o}n potencial de Oxycraspedus predicha por un modelo a partir de variables bioclim{\'a}ticas, es coincidente, como se esperaba, con el rango geogr{\'a}fico de su planta hu{\'e}sped, la araucaria.}, url = {http://www.scielo.cl/scielo.php?script=sci_arttext\&pid=S0716-078X2007000300006\&lng=en\&nrm=iso}, author = {Ferrer, M.S. and Marvaldi, Adriana E. and Tognelli, M.F.} }