Beetle News - Issue 3, October 2009
Beetle News Vol. 1:3 October 2009ISSN 2040-6177Beetle NewsCirculation: An informal email newsletter circulated periodically to those interested in British beetlesCopyright: Text & drawings 2009 Authors Photographs 2009 PhotographersCitation: Beetle News 1:3, October 2009Editor: Richard Wright, 70, Norman road, Rugby, CV21 1DN Email:richardwrightuk@yahoo.co.ukContentsEditorial - Richard WrightOpen-source biological recording programme - Charlie BarnesColours in Anisodactylus poeciloides - Richard WrightRecent records of Hylecoetus dermestoides (Linnaeus, 1761) (Lymexylidae) in Surrey (VC 17).Scotty DoddAging of Small Carrion to collect Coleoptera in summer - Andrew ChickRecent records of Ixapion variegatum (Wencker) in Worcestershire and Gloucestershire - Steve LaneOtiorhynchus armadillo (Rossi) in Coventry, Warwickshire (VC 38) - Steve LaneAtlas of the Coccinellidae of the British Isles. - Helen RoyLadybirds in Horncastle Lincolnshire - Charlie BarnesSurvey of stag beetle “larval incidents” in private gardens - Maria FremlinBeginner’s Guide : Silphidae (Part 2) - Richard Wright11122333345- 9Anyone with an interest in beetles would be well-advisedto join this group where various interesting threadsconcerning British beetles can be found.EditorialRichard WrightWelcome to the third issue of Beetle News. First, I mustapologise again for the late arrival of this issue, whichwas planned for the end of September. This is entirely dueto my delay in completing the guide to British Silphidaewhich was started in Issue 1. This has finally beenachieved and forms the larger part of this issue.Each issue will also be sent to the Amateur Entomolgists’Society where it can be found on their publications pagehttp://www.amentsoc.org/publications/I plan to work on the next issue over Christmas andwould very much like to have it ready before the endof the year to keep up with the intended publishingschedule. This is only two months away and anyarticles would be appreciated as always.I would like to point out that I am not keeping a mailinglist for Beetle News. Sending it as an email attachment isvery time-consuming, particularly as the size is so large,too large for many people to accept as an attachment.Each issue will be announced first on the beetlesbritishisles Yahoo itishisles/Open-source biological recording programmeColours in Anisodactylus poeciloidesI am currently developing a free and open-sourcebiological recording program and would be interested inhearing comments and suggestions from the readers ofthis newsletter.In his RES Handbook to Carabidae, Martin Luffseparates Anisodactylus poeciloides from the othermembers of the genus by colour, “upper surface metallicgolden-green” as opposed to black. However, in asample I received from the Thames estuary area of Kent,only 60% were this colour, the remainder being blackwith a variable degree of bluish metallic shading. Theyare clearly identifable as A. poeciloides by the shape ofthe pronotum and the three-pointed anterior tibial spur,similar to that of Amara plebeja. These structuralcharacters appear more reliable than colour in therecognition of this speciesCharlie BarnesBiodiversity Services AssistantLincolnshire Biodiversity Partnershipcbarnes@lincstrust.co.uktel: 01507 526667 fax: 01507 525732www.lincsbiodiversity.org.ukBanovallum House, Manor House Street, Horncastle,LN9 5HFRichard Wright1
Beetle News Vol. 1:3 October 2009ISSN 2040-6177Recent records of Hylecoetus dermestoides(Linnaeus, 1761) (Lymexylidae) in Surrey (VC17).oScotty Dodd, 1 Pine cottages, Harpers Road, Ash,Aldershot, Surrey. GU12 6BZ.flight, humid afternoon (ca.1600hrs), amongstmoribund Pinus sylvestris (Linnaeus, 1753).Ash Ranges, Henley Park Butts (SU928536).22.iv.2009. G.A.Collins. Female netted in flight,warm evening (ca. 1700hrs).Acknowledgements.Many thanks to Richard Dickinson and Graham Collinsfor allowing me to publish their records and MaxwellBarclay for supplying information on the record made bythe late Ian Menzies. Also, to Surrey Wildlife Trust forsupporting invertebrate survey work at ChobhamCommon NNR via a SITA funding bid.Hylecoetus dermestoides (Linnaeus, 1761) is a saproxylicspecies listed as Nationally Scarce B, with a widespreadbut localised distribution concentrated in the Midlands,northern England, Wales and Scotland (Hyman, 1992).Records in southern England appear to be scant.In Surrey (VC 17) H.dermestoides is regarded as rare.There are only two records cited in the Surrey Coleopterachecklist:References.Thursley Common, Pine Island (SU904413), v.1990, Champion, G.C., Donisthorpe, H.St.J.K. & Lloyd, R.W.1902. Beetles In Malden, H.E. (ed.) The VictoriaJ.S.DentonCounty History of Surrey. Part 3.o Chilworth (TQ032475), 10.v.2001, R.D. HawkinsDenton, J.S. 2005. The beetles of Surrey – a checklist.(Denton, 2005; Hawkins, 2009, pers. comm.).Pirbright: Surrey Wildlife Atlas Project.Hyman,P.S.(revised Parsons, M.S.). 1992. A review ofThere is also a later record, post-checklist publication,thescarceand threatened Coleoptera of Greatfrom Bookham Common arboretum (TQ126561),Britain.Part1. UK Nature Conservation. No. 3.23.v.2007, I.S.Menzies, beaten from Populus tremulaPeterborough:Joint Nature Conservation(Linnaeus, 1753) (M.V.L.Barclay, 2009, pers. comm.).Committee.There is no Victoria County History record of this speciesofor Surrey (Champion et al, 1902).During April 2009 H.dermestoides was recorded on threeoccasions within a seven day period (16.iv – 22.iv) byindependent recorders at sites in the west of Surrey.ooMare Hill Common (SU9340). 16.iv.2009. R.Dickinson. Female netted in flight, warm afternoonsunshine.Chobham Common, Glovers Pond (SU977641).21.iv.2009. S.G.Dodd. Female hand-caught inmalefemale(photographs by Richard Wright)resistance cage (such as mentioned in Chick, 2008).While this will still attract some Diptera, manyColeoptera will still be attracted to pitfalls surroundingthe carrion, one such rat attracted both Nicrophorushumator and N.vespilliodes in numbers. A number ofdead rats have been aged in such a way over this summerall of which yielded Nicrophorus as well as a fewNitulididaeAging of Small Carrion to collect Coleoptera insummerAndrew Chick, 50 Thorneywood Road Long Eaton Nottingham NG10 2DY Andy.chick@gmail.comIn the 4th edition of the Coleopterists handbook (2006)Jon Cooter mentions that it is best to collect Coleopterafrom carrion in the winter months as during summer thecarrion will be colonised and consumed by Diptera beforeColeoptera can get to it. While this is not entirely true,Chick et al (2008) recorded some Carabidae andStaphylinidae on rats during August, true carrion beetlessuch as Silphidae are often out competed. However asimple method for collecting carrion-frequenting beetlesis to age the carrion so as to skip the first wave ofdecomposition and thus make it unattractive to most earlyDiptera. The carrion such as a dead rat is sealed in areseal-able bag and placed in a cool spot for a week ortwo before it is placed in the field in a scavengerReferencesChick, A.I.R., Cassella, J.P. and Terrell-Nield, C. 2008A study into the effects of common insecticides on thecolonisation and decomposition of carrion by invertebrates. Global Forensic Science Today 6: 18-26Chick, A.I.R., 2008, Some novel suggestions for the collection and study of Diptera from carrion Bulletin of theDipterists forum 65 24-26Cooter, J and Barclay, M.V.L (eds) (2006) A Coleopterists Handbook 4th ed2
Beetle News Vol. 1:3 October 2009ISSN 2040-6177A brief trawl of literature and of the internet revealed single localities for this species in Herefordshire, WestGloucestershire and Worcestershire in 2000, two furtherHerefordshire sites in 2001, followed by two more in thatcounty in 2003, an undated Monmouthshire record andthree additional Worcestershire sites in 2004.Recent records of Ixapion variegatum (Wencker)in Worcestershire and GloucestershireDuring September and October 2009, I carried out an extended phase 1 habitat survey in the area of Ripple nearthe Worcestershire/Gloucestershire border. Mistletoe wasnoted as being frequent on apple, poplar and hawthorn inhedgerows at the edges of pasture and in old plantationsand relic orchards.It seems likely that these records represent the tip of theiceberg and that this weevil is actually frequent throughout its range, though probably very much restricted in thisdistribution to the counties of Worcestershire, Gloucestershire, Herefordshire and Monmouthshire. Mistletoe isfound throughout southern England, but by far and awaythe greatest concentration of the plant is in the region ofthe country occupied by these four counties.Ixapion variegatum was beaten off the host-plant at SO875371 and SO 876376 on September 24th, at SO 882370on September 29th, at SO 858359 on October 7th and atSO 878377 on October 8th .The third and fifth locationsgiven are in Gloucestershire, the remaining three are inWorcestershire.Steve LaneOtiorhynchus armadillo (Rossi) in Coventry, Warwickshire (VC 38)Since its discovery in the UK in 1998, this beetle has beenspreading and has reached pest proportions in some areasof London. The first record for Warwickshire (VC 38) involved a male and female beaten off ornamental willow onJuly 8th 2009 at an industrial estate at Puma Way in Coventry, SP 337784. A further seven specimens were obtainedby beating ornamental Viburnum at the same location onJuly 11th 2009. It is likely that the species has been established in the area for some considerable time. Extensivefeeding damage, evident on a variety of planted ornamentalshrubs surrounding a new housing estate nearby indicatesthat a large population may be present.Steve LaneAtlas of the Coccinellidae of the British Isles.Ladybirds in Horncastle LincolnshireIf anyone has Coccinellidae records to contribute to ouratlas, we would be very pleased to receive them beforethe end of this year.A quick half-hour foray on 13th October around Banovallum House gardens (TF2569) in Horncastle, North Lincolnshire (VC54), headquarters for the LincolnshireWildlife Trust, produced a sizeable number of ladybirds:60 adult Seven-spots, 7 adult Harlequins, 4 pupal Harlequins, 5 prepupal Harlequins, 23 larval Harlequins and asingle Ten-spot. Of the 60 Seven-spots encountered, 4were found to be parasitized by Dinocampus coccinellae-(Hymenotera, Braconidae) all of which were found butting up against the straining wire on the middle rail of theperimeter post-and-rail fence. The fence was in full sunshine at the time and all the ladybirds on it were active.If you would like to help us, please email files of data toladybird-survey@ ceh.ac.uk or post paper records to Dr Helen RoyBiological Records CentreCEH WallingfordMaclean BuildingCrowmarsh GiffordWallingfordOX10 8BBCharlie BarnesBiodiversity Services AssistantLincolnshire Biodiversity PartnershipPeter Brown, Helen Roy & Remy WareUK Ladybird Survey3
Beetle News Vol. 1:3 October 2009ISSN 2040-6177Survey of stag beetle “larval incidents” in private References:Bowdrey J. (1997) The stag beetle Lucanus cervus L.gardensFor the last 10 years or so I have been collecting stag bee- (Coleoptera: Lucanidae) in north-east Essex: Results oftle “larval incidents” mostly via my website and local res- the 1996 Colchester “Search for Stag Beetles” survey.Essex Naturalist 14: 79-88.idents; some correspondents have proved very willing toanswer my questions, unfortunately others vanish afterFremlin, M. (2008) Know Your Chafers. Nature inthe first email. Nevertheless this has given me an insightinto what is happening to their habitat in people’s gardens North-East Essex, 2008, 40-46.http://maria.fremlin.org/cetonia aurata/nnee.pdfand in the process I have come to the conclusion that thefemale stag beetles seem to be very quick at colonizingFremlin, M. (2009) Stag beetle (Lucanus cervus, (L.,newly created habitats, see Figure 1 for an example,1758), Lucanidae) urban behaviour. In: Buse, J., Alexantherefore they respond well to a dynamic management(Fremlin, 2009). At the same time they seem to have very der, K.N.A., Ranius, T., Assmann, T. (2009). Saproxylic beetles. Their role and diversity in European woodlandeclectic tastes (Hawes, 2009). This helps explain why inand tree habitats. Proceedings of the 5th Symposium andthe UK the majority of the stag beetle Lucanus cervusWorkshop on the conservation of saproxylic beetles.records come from people’s gardens (Bowdrey, 1997;Pensoft Publishers, Sofia-Moscow: 161-176.Percy et al., 2000; Smith, 2003).When I recently came across SurveyMonkey I jumped atthe opportunity, shall I say the challenge, of setting up amore serious survey, its aim being to collect informationregarding the interactions between people and stag beetles. It is to be found athttp://www.surveymonkey.com/s.aspx?sm o 2f43u3KevnPyevuey0y6Cw 3d 3dHawes, C. J. (2009) The stag beetle - some aspects oflarval ecology. White Admiral 73, w7310.aspThe main problem with a survey of this kind is the identification of the larvae. First, I have observed that sometimes Lucanus cervus and Dorcus parelellipipedus sharehabitats with overlapping boundaries. Unfortunately Ihave not yet had the pleasure of coming across Sinodendron cylindricum, but the three species have been foundtogether in one garden (Owen, 1992). Obviously, the finedistinctions between their larvae are difficult and evenwith a photo they may be indistinguishable.Percy C., Bassford G. and Keeble V. (2000) Findingsof the 1998 National Stag Beetle Survey. Edited by RobbC. People’s Trust for Endangered Species. London, 48 pp.Owen, J. A. (1992) Lucanids in the garden. Entomologist's Record and Journal of Variation 104:326Smith, M. N. (2003) National Stag Beetle Survey 2002.People’s Trust for Endangered Species. London, 14 pp.Figure 1 – Lucanus cervus L3 larvae found in the roots ofa healthy holly (Ilex aquifolium) tree felled late 2005.Photo taken by Maria Fremlin, 30 May 2007.http://maria.fremlin.org/saproxylic conference/nests/images/picture2.jpgSecond, Cetonia aurata also shares the habitat with thestag beetles, mostly in compost heaps with Lucanus cervus; however their larvae are much easier to identify froma photo. Interestingly, in records collected over more than10 years in Suffolk the frequency of L. cervus in compostheaps is about the same as in oak (Hawes, 2009); however, compost heaps are already a rather problematic habitatfor rose chafers let alone for stag beetles which have amuch longer larval development (Fremlin, 2008).I have strong hopes that it will take much less than 10years to reach my allowed 100 free entries. I do have atime line already: 70 larval records from the PTES GreatStag Hunt Survey III, http://www.greatstaghunt.org/, forthe years 2006-7, that is about 1 larval record in each 100adult records (M. Smith, pers. comm.). And plenty of evidence that these days when people find something oddthey make a bee-line for their computers.Please, if you ever come across any stag beetle larvae inprivate gardens do participate; your records will be Grade1.Maria Fremlin, 25 Ireton Road, Colchester CO3 3AT,http://maria.fremlin.org4
Beetle News Vol. 1:3 October 2009ISSN 2040-6177Beginner’s GuideSilphidae 2Continued from Beetle News Vol 1 : 1.Key to species1. Antennae with a clearly defined 4-jointed club (1)Antennae only gradually expanded towards the apex (2)282. Elytra entirely black (3)Elytra with large orange markings (4)34(1)(2)3. Antennal club black. Elytral epipleura orange. Nicrophorus germanicus(doubtfully established)Antennal club reddish-yellow. Epipleura black. Nicrophorus humator(4)(3)4. Antennal club entirely black.Last 3 segments of club orangeNicrophorus vespilloides5. Hind tibia distinctly bent. (5)Hind tibia straight (6)Nicrophorus vespillo6. Pronotum with golden pubescence. (7)Pronotum glabrous (8)Nicrophorus vestigator5(5)6(6)77. All tergites with golden pubescence. Anterior orange band on elytra normallybroadly interruoted at the suture. (9)Nicrophorus interruptusOnly the last tergite with pubescence. Anterior orange band on elytra verynarrowly interrupted across the suture (10)Nicrophorus investigator8. Elytra orange with 4 black spots (11)Dendroxena quadrimaculataElytra dark, usually black, sometimes reddish.9(7)(8)9. Pronotum orange, contrasting with elytra.(12) Oiceoptoma thoracicumPronotum and elytra both dark.1010. Last 3 antennal segments yellowish.Antennae completely dark.(9)Necrodes littoralis1111. Scutellum with some golden pubescence, remainder of upperside may alsohave obvious golden pubescence or not (13, 14)12Upperside, including scutellum, without golden pubescence (15)1512. Anterior margin of pronotum not emarginate. Normally covered with densepubescence. (13)Aclypea opacaAnterior margin of pronotum emarginate. Pubescence generally sparser andmore scattered, may be confined to scutellum (14)13(10)(11)(12)(13)(15)(14)5
Beetle News Vol. 1:3 October 2009ISSN 2040-617713. Interstices of elytra with raised tubercles or ridges (16)Thanatophilus rugosusInterstices of elytra smooth (17)14(16)14. Elytra with a small shoulder tooth. Normally with less dense pubescence.(18)Thanatophilus sinuatusElytra rounded at the shoulders. Normally with much denser pubescence.(19)Thanatophilus dispar15. Elytra without ridges or raised lines. (20)Silpha laevigataElytra with prominent ridges , or at least distinct raised lines (21, 22) 1616. Head, especially mandibles, elongate. Front of pronotum rounded. Shiningspecies, black or reddish. (23)Silpha atrataHead quadrate or transverse. Front of pronotum flatter. Duller. (24) 1717. Second antennal segment twice as long as third. (Very rare species )Aclypea undataSecond antennal segment about as long as third.(17)1818. 8th antennal segment much longer than 9th. Pronotum distinctly emarginateanteriorly. (Very rare species)Silpha carinata8th antennal segment not longer than the 9th. Pronotum more or less flat infront.1919. Puncturation of elytra irregular. Segment 5 of antennae roundish, segment 6transverse. (25)Silpha tyrolensisPuncturation of elytra more regular. Segment 5 of antennae elongate, segment6 roundish.20(18)20. Longitudinal ines on elytra strong. (26). More shining. Each elytral puncturewith a tiny shining tubercle in front of it.Silpha tristisLongitudinal lines on elytra weak. Dull species. Elytral punctures without tinyshining tubercles in front.Silpha obscura(19)(20)(22)(21)(23)(25)(27)(26)6(24)
Beetle News Vol. 1:3 October 2009ISSN 2040-6177On the following pages I give photographs of theremaining members of the Silphidae. Species ofNicrophorus were shown in Vol 1 : 1 of Beetle News.I have no specimens of the two very rare species Aclypeaundata and Silpha carinata and am thus unable to providephotographs.Dendroxena quadrimaculata (Scopoli, 1772)A very distinctive species which cannot easily be mistaken for any otherBritish beetle.Unlike most Silphidae, it is most often found on trees and bushes whereit hunts caterpillars. It is also found in moss and litter where it passes thewinter.UK Status: Nationally Scarce "B".Widespread, but appears to have declined.Oiceoptoma thoracicum (Linnaeus, 1758)Like the previous species, the colour pattern is distinctive and this beetlecannot easily be mistaken.Associated with carrion and fungi, especially in woodland.Widespread throughout, apparently common in some areas but scarce inothers.Necrodes littoralis (Linnaeus, 1758)Superficially resembling a species of Nicrophorus but easilydustinguished by the elongated orange antennal club.Widespread throughout. Sometimes said to be commoner in coastalareas, but this does not appear to be the case.Associated with carrion and often taken in light traps.Aclypea opaca (Linnaeus, 1758)UK Status: Nationally Scarce "A". Scattered throughout England andWales at least.Usually easily distinguished by the dense covering of yellowish pubesc
Beetle News Vol. 1:3 October 2009 2 ISSN 2040-6177 Recent records of Hylecoetus dermestoides (Linnaeus, 1761) (Lymexylidae) in Surrey (VC 17). Scotty Dodd, 1 Pine cottages, Harpers Road, Ash,
European Chafer, Asiatic Garden Beetle, Oriental Beetle, Black Turfgrass Ataenius) There are 8 different white grubs that are commonly known to cause turfgrass plant damage. They include the Japanese beetle, May and June beetle, masked chafer, green June beetle, European chafer, Asiatic garden beetle, oriental beetle, and black turfgrass ataenius.
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Beetle News Vol. 1:4 December2009 2 ISSN 2040-6177 Some Beetle Species New to Warwickshire in 2009 Not altogether unexpected was the first recorded occurrence of Panagaeus bipustulatus (Fabricius) in Vice-county 38. The exact details of the location have yet to be received by the author, but the record concerns a
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Figure 12: Adult twice-stabbed lady beetle with several pre-pupae and pupae on a crape myrtle trunk. It is not unusual to see many lady beetle pupae on the trunk of an infested tree. Before pupating, these beetles cleaned most of the scales from this tree. Lady beetle pupae are the pre-adult stage of the lady beetle and are highly beneficial.
