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Survey of Rove Beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with New Records and Description of a New Species

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Survey of Rove Beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with New Records and Description of a New Species A peer-reviewed open-access journal ZooKeys 22: 19–33 (2009) Survey of rove beetles from Stanley Park. Part 2 19 doi: 10.3897/zookeys.22.177 RESEARCH ARTICLE www.pensoftonline.net/zookeys Launched to accelerate biodiversity research Survey of rove beetles (Coleoptera, Staphylinidae) from Stanley Park, Vancouver, British Columbia, Canada, with new records and description of a new species. Part 2 John A. McLean1,†, Jan Klimaszewski2,‡, Donald S. Chandler3,§, Karine Savard2,|, Agnes Li1,¶ 1 Department of Forest Sciences, Faculty of Forestry, University of British Columbia, Vancouver, British Columbia, Canada 2 Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, Quebec, Quebec, Canada 3 Department of Biological Sciences, University of New Hampshire, Durham, New Hampshire, USA † urn:lsid:zoobank.org:author:E7BE167E-6F60-4863-A411-66093602A245 ‡ urn:lsid:zoobank.org:author:75880C14-430B-45F6-8B6D-840428F3FF37 § urn:lsid:zoobank.org:author:7F26DCB4-7312-4ACF-9226-81E6E535C72D | urn:lsid:zoobank.org:author:716D03A0-DF55-4A60-AA54-DF4C0F4A8E7E ¶ urn:lsid:zoobank.org:author:6B942232-5C0A-4336-8F1A-3555E1A10B6F Corresponding author: Jan Klimaszewski ([email protected]) Academic editor: Volker Assing | Received 20 April 2008 | Accepted 11 June 2009 | Published 28 September 2009 urn:lsid:zoobank.org:pub:4F1D4D5B-EC3A-45CD-91EF-4FFF230D7D53 Citation: McLean JA, Klimaszewski J, Chandler DS, Savard K, Li A (2009) Survey of rove beetles (Coleoptera, Staphyli- nidae) from Stanley Park, Vancouver, British Columbia, Canada, with new records and description of a new species. Part 2. In: Majka CG, Klimaszewski J (Eds) Biodiversity, Biosystematics, and Ecology of Canadian Coleoptera II. ZooKeys 22: 19–33 doi: 10.3897/zookeys.22.177 Abstract Th e second survey in 2008 of rove beetle species from Stanley Park, Vancouver, British Columbia, Canada is presented. Fifty-one species were found from the following subfamilies: Aleocharinae (18), Micropepli- nae (1), Omaliinae (11), Osoriinae (1), Oxytelinae (2), Paederinae (1), Proteininae (2), Pselaphinae (3), Steninae (1), Staphylininae (8), and Tachyporinae (3). All species are listed in Tables 1 and 2. Th irty-fi ve species were previously recorded from the storm-undamaged sites in 2007, including 16 species that were site-specifi c. Fifty-one species are reported from the storm-damaged sites, including 31 species that are site- specifi c. Th ere are 19 species in common between storm-damaged and undamaged sites. Sixty-seven species of rove beetles are now known from all the sites studied in Stanley Park. One new species, Sonoma squam- ishorum Chandler & Klimaszewski, sp. n., is described and illustrated. Proteinus collaris Hatch is recorded from Canada and British Columbia for the fi rst time. Four adventive aleocharine species are recorded. Copyright John A. McLean et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 20 John A. McLean et al / ZooKeys 22: 19–33 (2009) Keywords British Columbia, Canada, Coleoptera, new species, Staphylinidae, Stanley Park, survey, Vancouver Introduction Th is is the second paper devoted to rove beetles from Stanley Park. It includes species from samples collected in the storm-damaged forest in December 2006 (Figs. 1, 2 A-D). Th e fi rst paper described species collected in 2007 from portions of the forest undam- aged by the storm (McLean et al. 2009). Th e purpose of this paper is to compare the rove beetle fauna in the storm-damaged areas surveyed in 2008 with the 2007 collection from the undamaged forest, and to describe and document a new species of Pselaphinae. Study locations Th e 2008 study sites included a stand west of the South Creek Trail (49°18΄03˝, 123°08΄25˝W) (Fig. 1, Site C) which had been burnt over in a fi re in 1860. Th e high stumps (Fig. 2C) are a remnant from that period. Th e site was cleared of all fallen trees Site D: Merilees Trail (2008) Site A: Aquarium Site B: Hollow Tree (2007) Rawlings Trail (2007) Site C: South Creek Trail 2008 Figure 1. Map of Stanley Park, Vancouver, British Columbia, showing collecting locations for the 2007 and 2008 insect surveys. Survey of rove beetles from Stanley Park. Part 2 21 and replanted in the fall of 2007 with clumps of Douglas-fi r (Pseudotsuga menziesii (Mirbel) Franco) and western red cedar (Th uja plicata Donn ex. D. Don). Th e second 2008 study site was along Merilees Trail (Fig. 1, Site D) (49°18΄40˝N, 123°09΄02˝W) which has also been cleared and replanted with the same plant regime as Site C (Fig. 2D). Th e 2008 sites were much more open than the “intact” 2007 sites. Material examined More than 466 adult rove beetles were examined, and most aleocharines and pselap- hines were dissected. Th e genital structures were dehydrated in absolute alcohol and mounted in Canada balsam on celluloid microslides and pinned with the specimens from which they originated. Traps were set out on April 23, 2008 and collected monthly through October. At each site, five Lindgren multiple-funnel traps and a flight-intercept trap were set and a pitfall trap was placed near each of the hanging traps. Polypropylene gly- col was used in all traps for preserving captured insects. The Lindgren traps were baited with specific pheromones and/or ethanol or alpha-pinene lures. The pitfall traps were unbaited. The collecting periods for each species are shown in Table 1. A B C D Figure 2. Collection sites A-D. Site A: Aquarium (2007). Site B: Hollow Tree/Rawlings Trail (2007). Site C: South Creek Trail (2008). Site D: Merilees Trail (2008). 22 John A. McLean et al / ZooKeys 22: 19–33 (2009) The larger catches found in the hanging traps did not indicate any preferences of the staphylinid beetles for any of the semiochemical baits for bark beetles or wood borers. Trap catches were quite even among traps suggesting that the trap form and shape was consistent for all species. Th e following references were used for identifi cation in this study: Campbell (1973), Benick and Lohse (1974), Hatch (1957), Klimaszewski (2000), Klimaszewski et al. (2001), Klimaszewski and Winchester (2002), Klimaszewski et al. (2004), Kli- maszewski et al. (2006), Klimaszewski et al. (2007), Newton et al. (2001), Seevers (1978), and Smetana (1971). Conventions Repository abbreviations: CNC Canadian National Collection of Insects, Arachnids and Nematodes, Agri- culture and Agri-Food Canada, Ottawa, Ontario, Canada LFC Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, Quebec City, Quebec, Canada UBC University of British Columbia, Spencer Entomological Collection, Beaty Biodiversity Museum, Vancouver, British Columbia, Canada UNHC University of New Hampshire, Department of Zoology, Durham, New Hampshire, U.S.A. Systematics Supertribe Faraonitae, Tribe Faronini Sonoma Casey, 1886 For diagnosis and literature review, see Marsh and Schuster (1962), with addenda by Park and Wagner (1962), and Chandler (1986 and 2003). Sonoma squamishorum Chandler & Klimaszewski, sp. n. urn:lsid:zoobank.org:act:F37A7963-89DD-4CDF-845A-65E8D702D712 Figs 3–6 Specimens examined. Holotype. Male. CANADA: British Columbia: Vancouver, Stanley Park, Merilees Trail, CWH (49 18΄40˝N, 123 09΄02˝W), V-22/VI-27-2008, J.A. McLean & A. Li, funnel trap 1 (CNC). Paratype female: same park, South Creek Trail, CWH (49 18΄03˝N, 123 08΄25˝W), VI-27/VII-31-2008, J.A. McLean & A. Li, funnel trap 5 (UNHC). Survey of rove beetles from Stanley Park. Part 2 23 Etymology. Th is species is named in recognition of the Squamish aboriginal people who are known to have lived in this area of Vancouver. It took until 2008 for the Musqueam, Squamish and Tsleil-Waututh, who traditionally used the land that is now Stanley Park, to be physically represented at the site. Th at has now been addressed with People Amongst the People, three gateways covered with designs in threes and multiples of three to represent the three aboriginal groups, a work created by Susan Point and her team of Musqueam carvers. Diagnosis. Body small for Sonoma; frontal sulcus of head Y-shaped; discal foveae deeply impressed and impressions continued posteriorly to antebasal sulcus. Males with gula prominent and setose; aedeagus with phallobase separated, parameres nearly symmetrical, penis simple. Description. Length 1.68–1.76 mm. Body light orange-brown (Fig. 6). Head about as long as wide; tempora broadly rounded and distinct; frontal sulcus deep, abruptly widened in apical half to nearly twice basal width, forming a thick “Y”, sul- cus about as long as wide, base of sulcus even with midpoint of eyes; vertexal foveae distinct, posterior to point even with hind margin of eyes; eyes with about 60 facets in both sexes. Pronotum with each discal fovea at anterior margin of slightly converging impressions that extend to antebasal sulcus, median antebasal foveae distinct, nude; antebasal sulcus broad between lateral constrictions, narrow beyond constrictions to nude lateral antebasal foveae. Elytra half again as long as pronotum; foveal pattern 4–2–4 (four foveae in sutural stria, four in discal sulcus, and two faint foveae in lon- gitudinal line between them, foveae diffi cult to see on dried specimens). Abdomen as long as elytra in dorsal view. Males with posterior portion of gular area transversely projecting and densely se- tose. Legs lacking modifi cations. Abdomen with complete microsetigerous line near apex of visible tergite 1 (morphological segment 4). Visible sternites 4–5 progressively more strongly medially impressed, fi fth visible sternite with prominent oblique and posteriorly directed acute projections at lateral third of sternite, projections strongly setose and extending posteriorly for short distance over anterior portion of sternite 6; sternite 6 with loose cluster of elongate spines to each side of middle (Fig.
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