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The Weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, I: New Records from New Brunswick

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The Weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, I: New Records from New Brunswick 378 The weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, I: New records from New Brunswick Christopher G. Majka1 Nova Scotia Museum of Natural History, 1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6 Robert S. Anderson Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, Ontario, Canada K1P 6P4 Donald F. McAlpine, Reginald P. Webster New Brunswick Museum, 277 Douglas Avenue, Saint John, New Brunswick, Canada E2K 1E5 Abstract—Seventy-seven species of weevils are newly reported in New Brunswick, increasing the known provincial fauna to 206 species. Trichapion nigrum (Herbst), Ceutorhynchus semirufus LeConte, and Listronotus laramiensis (Angell) are recorded for the first time in Can- ada. Three species, Bagous planatus LeConte, Plocamus hispidulus LeConte, and Dryocoetes granicollis (LeConte), are removed from the province’s faunal list. Components of the fauna are discussed with a particular focus on the introduced species found in the province. Monitoring to detect changes of both native and introduced species is emphasized. Résumé—Soixante-dix-sept espèces des charançons sont nouvellement rapportées au Nouveau- Brunswick augmentant la faune provinciale connue à 206 espèces. Trichapion nigrum (Herbst), Ceutorhynchus semirufus LeConte et Listronotus laramiensis (Angell) sont les disques pour la première fois pour le Canada. Trois espèces, Bagous planatus LeConte, Plocamus hispidulus Le- Conte et Dryocoetes granicollis (LeConte), sont enlevés de la liste du faunal de la province. Des composants de la faune sont discutés avec un foyer particulier sur les espèces présentées trouvées dans la province. La surveillance pour détecter des changements des espèces indigènes et présen- tées est soulignée. Majka396 et al. Introduction Weevils are important members of many ter- restrial ecosystems. While many species are Weevils are a diverse assemblage of beetles beneficial, some can become serious pests in of the families Nemonychidae, Anthribidae, agricultural (e.g., Otiorhynchus spp.) or forestry Belidae, Attelabidae, Brentidae, Ithyceridae, (e.g., Pissodes spp.) contexts. A substantial and Curculionidae, which together comprise the number of adventive species have become es- superfamily Curculionoidea. Over 60 000 spe- tablished in North America, sometimes with cies have been described worldwide. The fam- deleterious economic consequences. ily Curculionidae, with 2 919 species, is the second largest family of North American bee- Despite their importance, weevils have been tles. There are 3 227 species of weevils in little studied in New Brunswick, a province that North America, constituting 12.8% of the North has been poorly investigated in terms of its American beetle fauna (Marske and Ivie 2003). Coleoptera. One hundred and thirty-three spe- In Canada 893 species were recorded in 1991, cies of weevils were recorded in New Bruns- 12% of the total Canadian beetle fauna wick by Bousquet (1991). Recent research as (Bousquet 1991). well as examination of material in existing Received 30 January 2006. Accepted 17 January 2007. 1Corresponding author (e-mail: [email protected]). Can. Entomol. 139: 378–396 (2007) © 2007 Entomological Society of Canada Majka et al. 379 collections has yielded records of many addi- This brings the number of species of weevils tional species for the province. known from New Brunswick to 206. Specific accounts of species newly recorded in the prov- ince (or deleted from the list of the province’s Methods and conventions fauna) follow. Codens (following Evenhuis and Samuelson 2006) of collections referred to in this study are Nemonychidae: Cimberidinae as follows: ACNB Agriculture and Agri-Food Canada, Cimberis elongata (LeConte, 1876) Fredericton, New Brunswick Saint John Co.: Saint John, 9.vi.1901, ACNS Agriculture and Agri-Food Canada, W. McIntosh, NBM. Kentville, Nova Scotia For distribution and bionomics see Majka et AFC Atlantic Forestry Centre, Canadian al. (2007). Forest Service, Fredericton, New Brunswick Anthribidae: Anthribinae CGMC Christopher G. Majka collection, Hali- fax, Nova Scotia Allandrus bifasciatus LeConte, 1876 CNC Canadian National Collection of In- York Co.: New Maryland: Charters Settle- sects, Arachnids and Nematodes, Ot- ment, 45.8300°N, 66.7347°W, 29.vii.2004, tawa, Ontario R.P. Webster, regenerating mixed forest, on re- NBM New Brunswick Museum, Saint John, cently cut conifer branches, RPWC. New Brunswick Recorded in Canada from Ontario and Que- NSMC Nova Scotia Museum, Halifax, Nova bec and in the United States south to Virginia Scotia and west to Iowa. Little is known about the RPWC Reginald P. Webster Collection, bionomics of the species (Bright 1993). Associ- Charters Settlement, New Brunswick ated with Tilia spp. (Tiliaceae) (Blatchley and UMNB Université de Moncton, Moncton, New Leng 1916; Valentine 1998). Brunswick USNM National Museum of Natural History, Eurymycter fasciatus (Olivier, 1795) Washington, D.C., United States of Saint John Co.: Saint John, 3.vi.1899, America P.R. McIntosh, NBM. The number of specimens is indicated in pa- Transcontinental throughout North America; rentheses. Where the number of specimens is recorded in Canada from British Columbia to not specified, it is assumed to be one. The sys- southern Quebec and in the United States in tematics employed reflect those of Arnett et al. Maine and New Hampshire (Chandler 2001). (2002) except that, following Alonso-Zarazaga Adults and larvae feed on pyrenomycete fungi and Lyal (1999), the Apionidae are recognized growing on Betula spp. (Betulaceae) (Bright as a family distinct from the Brentidae. 1993; Valentine 2002). Trigonorhinus sticticus (Boheman, 1833) Results York Co.: New Maryland: Charters Settle- ment, 45.8267°N, 66.7343°W, 16.iv.2005, In the course of this research, 2007 speci- R.P. Webster, sedge marsh: sphagnum litter, (6), mens of Curculionoidea originating in New RPWC. Brunswick from the collections listed above For distribution and bionomics see Majka et were examined and identified. Seventy-seven al. (2007). species of weevils are reported for the first time from New Brunswick. Three species, Tricha- pion nigrum (Herbst), Ceutorhynchus semirufus Apionidae: Apioninae LeConte, and Listronotus laramiensis (Angell), are newly recorded in Canada. Three species, Eutrichapion cyanitinctum (Fall, 1927) Bagous planatus LeConte, Plocamus hispidulus Albert Co.: Mary’s Point, 21.viii.2005, LeConte, and Dryocoetes granicollis (LeConte), C.G. Majka, on Melilotus alba Medik. (Faba- are removed from the province’s faunal list. ceae), (2), CGMC. © 2007 Entomological Society of Canada 380 Can. Entomol. Vol. 139, 2007 For distribution and bionomics see Majka et Sphenophorus striatipennis Chittenden, 1905 al. (2007). Previously associated with Astragalus Westmoreland Co.: Shediac, vi.1978, E. spp. (Fabaceae) (Bright 1993); however, in New Ouellette, UMNB. Brunswick swept from Melilotus alba. Scattered distribution throughout North America except for the southeast (O’Brien and Trichapion nigrum (Herbst, 1797) Wibmer 1982); recorded in Canada from Al- Queens Co.: Canning: near Flowers Cove off berta to Ontario and in Nova Scotia (McNamara Rte. 690, 46.0383°N, 66.0387°W, 1.vii.2004, 1991). Probably associated with Scirpus validus D. Sabine and R.P. Webster, on Robinia pseu- Vahl (Cyperaceae) and Carex comosa Boott doacacia L. (Fabaceae), RPWC. (Cyperaceae), like S. costipennis Horn (Vaurie Broadly distributed in eastern North America 1951). north to New Hampshire (O’Brien and Wibmer 1982). Newly recorded in Canada. Adults feed Curculionidae: Erirhininae on the leaves of Robinia pseudoacacia; larvae mine immature seed pods (Bright 1993). Grypus equiseti (Fabricius, 1775) Saint John Co.: Saint John, 8.vii.1902 and Trichapion reconditum (Gyllenhal, 1839) 24.vii.1902, W. McIntosh, NBM; York Co.: Carleton Co.: Wakefield: Bell Forest Nature Fredericton, summer 1979, G. Boiteau, ACNB. Preserve, 46.2152°N, 67.7190°W, 12.vii.2004, In North America this Holarctic species has K. Bredin, J. Edsall, and R.P. Webster, been recorded from Alaska, across Canada river margin: on Salix sp. (Salicaceae), RPWC; from British Columbia to Quebec, and across Queens Co.: Scotchtown, 45.8762°N, the northern contiguous United States from 66.1816°W, 1.vi.2004, D. Sabine and R.P. Web- Washington and Oregon to Maine and New ster, beach area near lakeshore, sweeping fo- York. Associated with horsetails, Equisetum liage, (6), RPWC. spp. (Equisetaceae) (O’Brien and Wibmer Broadly distributed in eastern and central 1982; McNamara 1991). North America (O’Brien and Wibmer 1982); re- corded in Canada from Ontario and Quebec Notaris aethiops (Fabricius, 1792) (Bright 1993). Reared from Desmodium Albert Co.: Mary’s Point, 21.viii.2003, C.G. marilandicum (L.) DC. (Fabaceae) and col- Majka, coastal marsh, CGMC; Shepody National lected from Betula papyrifera Marsh. (Bright Wildlife Area (NWA): Mary’s Point section, 1993). 45.7321°N, 64.6765°W, 31.v.2004, R.P. Webster, upper margin of salt marsh, (2), RPWC; Fallapion pennsylvanicum (Boheman, 1839) Shepody NWA: Germantown, 45.7060°N, Carleton Co.: Meduxnekeag River Valley 64.7640°W, 16.vi.2004, R.P. Webster, cattail Nature Preserve, 46.1931°N, 67.6825°W, and sedge marsh, RPWC; Kent Co.: Kouchi- 8.vi.2005, M.-A. Giguère and R.P. Webster, bouquac National Park, 5.vii.1979, Y. Chaisson, floodplain forest, sweeping foliage, RPWC; UMNB. Gloucester Co.: Le Goulet, 47.6932°N, In North America this Holarctic species oc- 65.7228°W, 7.viii.2005, R.P. Webster, barrier
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