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Scarabs Gd Gt Qtgliq, Tfby Wgjj Amkb SCARABS GD GT QTGLIQ, TFBY WGJJ AMKB. Occasional Issue Number 81 Print ISSN 1937-8343 Online ISSN 1937-8351 October, 2016 Christmas Beetles of Australia (Coleoptera: WITHIN THIS ISSUE Scarabaeidae: Rutelinae: Anoplognathini; Christmas Beetles ............ 1 Anoplognathus) Collecting in Nicaragua .. 8 by Stéphane Le Tirant & René Limoges Scarab T-shirt ................. 20 Ville de Montréal Montréal Insectarium 4581 rue Sherbrooke Montréal, Quebec Canada H1X 2B2 Introduction fact that these scarabs generally appear in greater numbers around When we looked at the index for Christmas time. the Scarabs journal, we realized that there were plenty of articles Biology and Ecology and magnificent photos of genus Chrysina, but only one mention Little is known as yet about the of genus Anoplognathus, in issue biology of these scarabs. It is known BACK ISSUES No. 51, where the late Dr. Howden that most species are diurnal, while Available At These Sites: mentioned that he had collected some are crepuscular (A. storeyi Coleopterists Society several species while on a trip to Allsopp, 2010) and another species www.coleopsoc.org/de- Australia. We found no photos of has been spotted flying just after fault.asp?Action=Show_ this genus in the journal. nightfall (A. debaari Allsopp, 2010). Resources&ID=Scarabs Most species are attracted to light, University of Nebraska Although they are generally and very large numbers of them www-museum.unl.edu/ a bit smaller than Chrysina, can be seen in some cities around research/entomology/ Anoplognathus are every bit as Christmas, making this an excellent Scarabs-Newsletter.htm beautiful, in both colour and time to view them. It is known that variation. Here we present a short some species can cause significant EDITORS Rich Cunningham overview of the biology and study damage to Eucalyptus and Acacia, [email protected] of these scarabs and introduce their main food source. Defoliation readers to some highly interesting can sometimes be so severe that Olivier Décobert photos and variations. it kills the tree, in particular if it is [email protected] isolated and alone in a particular Barney Streit The term “Christmas Beetle” area. Anoplognathus punctulatus barneystreit@hotmail. is used in particular for genus has been reported as a pest of com Anoplognathus, and refers to the avocados, while several other species are considered pests of of species have been described. sugar cane. These beetles have also If you take the species list of been observed feeding on Hibiscus, genus Anoplognathus provided by Tristemma and Breynia leaves. Dr. Andrew B.T. Smith and add The white “C”-shaped larvae are Anoplognathus vietor Allsopp and typical of scarabs and live in the Carne, 1986, A. storeyi Allsopp, soil or in rotten tree trunks. The 2010 and A. debaari Allsopp, 2010, larvae also cause varying degrees of you should have a very accurate damage. Mating occurs in mid-or and up-to-date list. late summer at any time during the day, although it has been observed http://www.museum.unl.edu/ more often toward the end of the research/entomology/checklist. day. The female generally lays from htm 25 to 30 creamy-white eggs. The authors wish to thank Jack Males are usually smaller than Hasenpuch for the photographs of females. Anoplognathus colouring specimens in the wild, Dr. Andrew is just as lovely as that of Chrysina. B. T. Smith for confirming the Individual colour variations are identification of several species, just as spectacular, and many and George Hangay, Cate Lemann colourations are known to be rare and Brett C. Ratcliffe for lending or very rare. For example, among specimens and providing valuable Anoplognathus smaragdinus, information. yellowish olive green and metallic green are the best known. The red Introduction variation is rare, but blue even more so. My Australian friend En regardant l’index de la revue Jack Hasenpuch tells me that Scarabs, nous avons vu qu’il y he has collected only three blue avait abondance d’articles et de specimens over a 25-year period! magnifiques photographies sur le Anoplognathus aeneus, A. parvulus genre Chrysina, mais une seule and A. viridiaeneus are also mention du genre Anoplognathus remarkably beautiful. dans le numéro 51, où le regretté Dr Howden mentionne la récolte Distribution de plusieurs espèces lors d’un séjour en Australie. Nous n’avons These scarabs are found trouvé aucune photographie du throughout Australia, except in genre dans la revue. arid regions, and with more species in the southeast of the country. Bien que généralement un peu plus petit que les Chrysina, les Study of Anoplognathus Anoplognathus rivalisent de beauté tant en coloration qu’en variation. Dr. P. B. Carne provided the very Nous présentons un petit survol first revision of the genus in de la biologie, de l’étude de ces 1957. Since that time, a couple scarabées et faisons découvrir Page 2 quelques photographies et variations fort intéressantes. Le terme « Christmas Beetles » désigne en particulier le genre Anoplognathus et fait référence au fait que ces scarabées sortent en bois pourris. Ces larves causent plus grand nombre généralement aussi des dommages plus ou durant la période de Noël. moins importants. L’accouplement survient au milieu ou vers la fin Biologie et écologie de l’été et se produit n’importe quand dans la journée, bien que La biologie de ces scarabées l’on ait observé des accouplements est encore méconnue. On sait en plus grand nombre en fin que la plupart des espèces sont de journée. La femelle pond diurnes bien que quelques-unes généralement entre 25 à 30 petits soient crépusculaires (A. storeyi œufs blanc crème. Allsopp, 2010) et qu’une autre ait été vue volant tout juste après Les mâles sont le plus souvent la tombée de la nuit (A. debaari plus petits que les femelles. La Allsopp, 2010). La majorité des coloration des Anoplognathus est espèces est attirée par la lumière aussi belle que celle des Chrysina. et c’est en très grand nombre que Les variations individuelles ces scarabées sont visibles dans sont tout aussi spectaculaires quelques villes pendant la période et plusieurs chromatismes sont de Noël, faisant de cet instant un connus comme étant rares ou moment privilégié pour les revoir. très rares. Par exemple, chez On sait que certaines espèces sont Anoplognathus smaragdinus, les capables de causer des dommages colorations vert-olive jaunâtre importants aux Eucalyptus et et vert métallique sont les plus aux Acacia dont la végétation connues. La variation rouge est la principale nourriture. La est rare mais la forme bleue défoliation peut parfois être sévère, l’est encore plus. Mon ami au point de tuer l’arbre surtout si Australien Jack Hasenpuch me ce dernier est isolé au milieu d’un mentionne qu’il n’a capturé secteur particulier. Anoplognathus que 3 spécimens bleus sur une punctulatus a été signalé comme période de 25 ans! La beauté des étant une peste dans la culture espèces Anoplognathus aeneus, de l’avocat, alors que plusieurs A. parvulus et A. viridiaeneus est autres espèces sont nuisibles à remarquable. la canne à sucre. Ces scarabées ont été observés se nourrissant aussi sur les feuilles d’Hibiscus, de Tristemma et Breynia. Les larves blanches en forme de « C » sont typiques des scarabées et vivent dans le sol ou dans des troncs de Page 3 Distribution Ces scarabées sont distribués partout en Australie sauf dans les régions arides bien qu’un plus grand nombre d’espèces se retrouve dans le Sud-Est. Etude des Anoplognathus Anoplognathus aeneus. Le Dr P. B. Carne a fourni la première révision du genre en 1957. Depuis, un couple d’espèces a été décrit. Si vous prenez la liste des espèces du genre Anoplognathus fournie par le Dr Andrew B. T. Smith, il suffit d’ajouter Anoplognathus storeyi Allsopp, 2010 et A. debaari Allsopp, 2010 pour avoir une mise à jour précise. http://www.museum.unl.edu/ research/entomology/checklist. htm Anoplognathus rothschildi. Les auteurs tiennent à remercier Jack Hasenpuch pour les photographies de spécimens dans la nature, le Dr Andrew B. T. Smith pour la confirmation de l’identification de plusieurs espèces, ainsi que George Hangay, Cate Lemann et Brett C. Ratcliffe pour la transmission d’informations pertinentes et le prêt de spécimens. Anoplognathus nebulosus. Page 4 Anoplognathus boisduvalii. Anoplognathus aeneus. Eucalyptus woodland. Anoplognathus boisduvalii. Page 5 Anoplognathus macleayi. Anoplognathus brunnipennis. Anoplognathus viridiaeneus. Anoplognathus parvulus. Page 6 Anoplognathus smaragdinus. Anoplognathus smaragdinus. Anoplognathus smaragdinus, the very Anoplognathus smaragdinus, a rare rare blue form. red form. Page 7 A Fast But Memorable Week of Collecting in Nicaragua by Rich Cunningham I was fortunate to have one of wanted scarabs!!), camaraderie, those memorable collecting trips pretty much perfect weather that all of us have had from time to and conditions for insects, not time. You know, that phenomenal necessarily for humans. No occasion when everything just problems on the trip and of course lines up and all of the “gods of bugs, everywhere, especially collecting” are on our side pulling scarabs! It was that trip where for us. This rare time, they favored everything just fit into place and me with great collecting partners, went smooth with no snags or (i.e. nice guys, none who really problems. Before I get started, a little background is probably in order. First of all, I was not scheduled to go on the trip as there was not enough room. Three Texans, Dan Heffern, renowned for Cerambycidae, his friend, Brian Raber, Carabidae, and our own intrepid Ed Riley, Texas A&M University, Scarabaeidae and Chrysomelidae, were set to go and meet up with Eric van den Berghe (Figures 1 and 2) for the trip. By the Fig. 1 (above): Dr. Eric van den Berghe. way, I actually have Ed to thank for Fig.
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