C. O'brien†

Publications114
h-index18
Citations1,731
Highly Influential Citations131
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Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionoidea) /by Charles W. O'Brien and Guillermo J. Wibmer.
TLDR
In the process of checking previous catalogs, checklists, and other early references, many homonymies and incorrect synonymies that require name changes if the authors are to remain in accord with the International Code of Zoological Nomenclature are located.
Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera, Curculionoidea)
Molecular and morphological phylogenetics of weevils (coleoptera, curculionoidea): do niche shifts accompany diversification?
TLDR
The phylogeny estimate based on combined 18S rDNA and morphological data suggests that diversification in weevils was accompanied by niche shifts in host-plant associations and larval habits, and conservatism is evident in larval feeding habits, particularly in the host tissue consumed.
The Beetles of the Pacific Northwest, Part V: Rhipiceroidea, Sternoxi, Phytophaga, Rhynchophora, and Lamellicornia
Unexpected Ecological Effects of Distributing the Exotic Weevil, Larinus planus (F.), for the Biological Control of Canada Thistle
TLDR
The high-frequency and high-level feeding of L. planus on the native species, coupled with the lack of evidence of its effectively limiting the seed production or density of Canada thistle suggest that the deliberate distribution of this weevil should be discontinued.
Annotated Checklist of New World Insects Associated with Prosopis (Mesquite)
ANNOTATED CHECKLIST OF NEW WORLD INSECTS ASSOCIATED WITH PROSOPIS (MESQUITE). C. R. Ward, C. W. O'Brien, L. B. O'Brien, D. E. Foster, and E. W. Huddleston. U.S. Dep. Agrie. Tech. Bull. No. 1557,
Prolonged mate guarding and sperm competition in the weevil Diaprepes abbreviatus (L.)
TLDR
A unique repositioning process, which has not been described elsewhere, is suggested as the likely mechanism by which last-male sperm precedence was achieved in the sugarcane rootstalk borer weevil.
Weevil diversity and seasonality in tropical Panamá as deduced from light-trap catches (Coleoptera:Curculionoidea)
TLDR
A very rich variation in seasonal patterns was observed among species, ranging from species with very short seasons to species occurring year-round, sometimes without any clear seasonal peaks.
OLD TRAPS FOR NEW WEEVILS: NEW RECORDS FOR CURCULIONIDS (COLEOPTERA: CURCULIONIDAE), BRENTIDS (COLEOPTERA: BRENTIDAE) AND ANTHRIBIDS (COLEOPTERA: ANTHRIBIDAE) FROM JEFFERSON CO., FLORIDA
Abstract Trapping studies using three different types of traps placed in several wild and cultivated habitats in North Florida (Jefferson Co.) produced 97 different species of adult weevils in the…
Aggregation Pheromones of Two Geographical Isolates of the New Guinea Sugarcane Weevil, Rhabdoscelus obscurus
TLDR
Weevils from several locations in Australia and Hawaii could not be differentiated using traditional morphological characters or ultrastructural comparisons with scanning electron microscopy (SEM), but comparisons of mtDNA sequences revealed 5.5% variation between the Hawaiian (N = 2) and the Australian samples.
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