Leaf-Cutter Bees in Arizona
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Wild Bees of Grand Staircase-Escalante National Monument: Richness, Abundance, and Spatio-Temporal Beta-Diversity
Wild bees of Grand Staircase-Escalante National Monument: richness, abundance, and spatio-temporal beta-diversity Olivia Messinger Carril1, Terry Griswold2, James Haefner3 and Joseph S. Wilson4 1 Santa Fe, NM, United States of America 2 USDA-ARS Pollinating Insects Research Unit, Logan, UT, United States of America 3 Biology Department, Emeritus Professor, Utah State University, Logan, UT, United States of America 4 Department of Biology, Utah State University - Tooele, Tooele, UT, United States of America ABSTRACT Interest in bees has grown dramatically in recent years in light of several studies that have reported widespread declines in bees and other pollinators. Investigating declines in wild bees can be difficult, however, due to the lack of faunal surveys that provide baseline data of bee richness and diversity. Protected lands such as national monuments and national parks can provide unique opportunities to learn about and monitor bee populations dynamics in a natural setting because the opportunity for large-scale changes to the landscape are reduced compared to unprotected lands. Here we report on a 4-year study of bees in Grand Staircase-Escalante National Monument (GSENM), found in southern Utah, USA. Using opportunistic collecting and a series of standardized plots, we collected bees throughout the six-month flowering season for four consecutive years. In total, 660 bee species are now known from the area, across 55 genera, and including 49 new species. Two genera not previously known to occur in the state of Utah were discovered, as well as 16 new species records for the state. Bees include ground-nesters, cavity- and twig-nesters, cleptoparasites, narrow specialists, generalists, solitary, and social species. -
A Visual Guide for the Identification of British Coelioxys Bees
1 Introduction The Hymenoptera is an order of insects that includes bees, wasps, ants, ichneumons, sawflies, gall wasps and their relatives. The bees (family Apidae) can be recognised as such by the presence of feather-like hairs on their bodies, particularly near the wing bases. The genus Coelioxys Latreille belongs to the bee subfamily Megachilinae. There are six species of Coelioxys present in mainland Britain. Two other species are found in Guernsey but not mentioned in this pictorial key (C. afra Lepeletier and C. brevis Eversmann). Natural History Coelioxys (their various English names are: Sharp-tailed Bees, Sharp-abdomen Bees and Sharp-bellied Bees) are among those known as cuckoo bees because the larvae grow up on food stolen from Leaf-cutter Bees (Megachile Latreille) or Flower Bees (Anthophora Latreille). The genus Megachile probably includes the closest relatives of Coelioxys. Female Megachile construct nests of larval cells from leaves and provision each cell with a mixture of pollen and nectar for the young. A female Coelioxys will seek these out and apparently uses its sharp abdomen to pierce the cells. An egg is then laid in the Megachile cell. The egg of the Coelioxys hatches before that of the Megachile and the newly-hatched larva crushes the Megachile egg with its large jaws. The Coelioxys larva can then feed on the contents of the cell. Pupation occurs within a cocoon spun within the host cell where the larva overwinters as a prepupa. The genus Anthophora excavates nest burrows in sandy soil or rotting wood, where they may also become the hosts of Coelioxys larvae. -
Clear Plastic Bags of Bark Mulch Trap and Kill Female Megachile (Hymenoptera: Megachilidae) Searching for Nesting Sites
JOURNAL OF THE KANSAS ENTOMOLOGICAL SOCIETY 92(4), 2019, pp. 649-654 SHORT COMMUNICATION Clear Plastic Bags of Bark Mulch Trap and Kill Female Megachile (Hymenoptera: Megachilidae) Searching for Nesting Sites Casey M. Delphia1*, Justin B. Runyon2, and Kevin M. O’Neill3 ABSTRACT: In 2017, we found 17 dead females of Megachile frigida Smith in clear plastic bags of com- posted bark mulch in a residential yard in Bozeman, Montana, USA. Females apparently entered bags via small ventilation holes, then became trapped and died. To investigate whether this is a common source of mortality, we deployed unmodified bags of mulch and those fitted with cardboard tubes (as potential nest sites) at three nearby sites in 2018. We found two dead M. frigida females and five completed leaf cells in one of these bags of mulch fitted with cardboard tubes; two male M. frigida emerged from these leaf cells. In 2018, we also discovered three dead female M. frigida and three dead females of a second leafcutter bee species, Megachile gemula Cresson, in clear bags of another type of bark mulch. Both mulches emitted nearly identical blends of volatile organic compounds, suggesting their odors could attract females searching for nesting sites. These findings suggest that more research is needed to determine how common and wide- spread this is for Megachile species that nest in rotting wood and if there are simple solutions to this problem. KEYWORDS: Leafcutter bees, solitary bees, cavity-nesting bees, Apoidea, wild bees, pollinators, Megachile frigida, Megachile gemula The leafcutter bees Megachile frigida Smith, 1853 and Megachile gemula Cresson, 1878 (Megachilidae) are widespread in North America (Mitchell 1960; Michener, 2007; Sheffield et al., 2011). -
Christophe Praz Evolutionary Entomology University of Neuchatel 2000 Neuchâtel Born 20.08.1979 [email protected] 2010-Pr
Christophe Praz Evolutionary Entomology University of Neuchatel 2000 Neuchâtel Born 20.08.1979 [email protected] 2010-present Lecturer at University of Neuchatel 2008-2010 Postdoctoral fellow ("prospective researcher"), Department of Entomology, Cornell University, USA (Supervision Bryan Danforth). 2004-2008 PhD at ETH Zurich (Supervision Andreas Müller). 1999-2003 Master in biologie, University of Bern. Scientific publications 28. Lucchetti, M., V Kilchenmann, G Glauser, CJ Praz and C Kast 2018. Nursing protects honeybee larvae from secondary metabolites of pollen. Proceedings of the Royal Society B: in press. 27. Dorchin A., M Lopez-Uribe, CJ Praz, TL Griswold and BN Danforth, 2018. Phylogeny, new generic-level classification, and historical biogeography of the Eucera complex (Hymenoptera: Apidae). Molecular Phylogenetics and Evolution 119: 81-92. 26. Amiet F, A Müller and CJ Praz, 2017. Apidae 1 – Allgemeiner Teil, Gattungen, Apis, Bombus / Partie générale, genres, Apis, Bombus. Fauna Helvetica 29, info fauna CSCF & SEG, Neuchâtel, 187 pp. 25. Packer L, JR Litman and CJ Praz, 2017. Phylogenetic position of a remarkable new fideliine bee from northern Chile (Hymenoptera: Megachilidae). Systematic Entomology 42: 473-488. 24. Praz, CJ, 2017. Subgeneric classification and biology of the leafcutter and dauber bees (genus Megachile Latreille) of the western Palearctic (Hymenoptera, Apoidea, Megachilidae). Journal of Hymenoptera Research 55: 1-54. 23. Soltani, GS, D Bénon, N Alvarez and CJ Praz, 2017. When different contact zones tell different stories: putative ring species in the Megachile concinna species complex (Hymenoptera: Megachilidae). Biological Journal of the Linnean Society 121: 815-832. 22. Lucchetti MA, G Glauser , V Kilchenmann, A Dubecke, G Beckh, CJ Praz and C Kast, 2016. -
Notes on Megachile Centuncularis
Utah State University DigitalCommons@USU Ga Bee Lab 1-1-1874 Notes on Megachile centuncularis Thos. G. Gentry Follow this and additional works at: https://digitalcommons.usu.edu/bee_lab_ga Part of the Entomology Commons Recommended Citation Gentry, Thos. G., "Notes on Megachile centuncularis" (1874). Ga. Paper 128. https://digitalcommons.usu.edu/bee_lab_ga/128 This Article is brought to you for free and open access by the Bee Lab at DigitalCommons@USU. It has been accepted for inclusion in Ga by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. 170 'fHE CANADIAN ENTOMOLOGIST. 171 paler than the wings, but I can at once of dijfi11is. But the terminal segments in dijfinis are not " ferru-• Al. ex. -.¡\ inch. ginous" any more than in tmiformis, and so Kirby may have had a boreal The larva is white, without maculae, but with the anterior rnargin oí specieswe do not yet know before him. From his description there is. nomore correspondence with 1mifarmis than with tl1ysbe; rather <loes his. the first segrnent b;own. _ description agree with f11scica11disas to the abdomen terminally. A. l1ydranga:ella. N. sp. ' Cressonia juglandis, p. iv. To this species must be cited Sm. -pallens- The mine and larva only of this species is known, and o( Mr. Strecker, whose figure represents a ?ale ~ specimen of C. succeeded in rearing the imago. The mine, larva and case resernble those j,tgla11dis,without the median shade on thc forewings. Belfrage has sent of A. 11iticordifalie/la, but are perhaps a little srnaller. It mines the leavcs C.j11gla11dis from Texas. -
A Remarkable New Species of Polochridium Gussakovskij, 1932 (Hymenoptera: Sapygidae) from China
Zootaxa 4227 (1): 119–126 ISSN 1175-5326 (print edition) http://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2017 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4227.1.7 http://zoobank.org/urn:lsid:zoobank.org:pub:7DBD20D3-31D5-4046-B86E-2A5FD973E920 A remarkable new species of Polochridium Gussakovskij, 1932 (Hymenoptera: Sapygidae) from China QI YUE1, YI-CHENG LI1 & ZAI-FU XU1,2 1Department of Entomology, South China Agricultural University, Guangzhou 510640, China 2Corresponding author. E-mail: [email protected] Abstract A new species, Polochridium spinosum Yue, Li & Xu, sp. nov. (China: Hunan, Shaanxi, Henan), is described and illus- trated. A key to the four Chinese species of Sapygidae is given. Key words: Sapyginae, new species, Palaearctic Region, Oriental Region Introduction Sapygidae is a small family of Vespoidea and includes 70 extant species in 12 genera (Aguiar et al. 2013; Achterberg 2014; Fernández & Sarmiento 2015), which are parasites of the bees Megachilidae, Apidae, Colletidae, rarely on wasps Eumeninae of Vespidae (Torchio 1979; Xu 1994; Kurzenko, 2012). Currently three species of the subfamily Sapyginae are known from China: Sapyga coma Yasumatsu & Sugihara, 1938, S. similis (Fabricius 1793), and Polochridium eoum Gussakovskij, 1932 (Kurzenko & Gusenleitner 1994; Xu 1994). Recently we collected in Hunan, Shaanxi and Henan fourteen females and one male of Polochridium, which described below as new species. Materials and methods Descriptions of the species have been made under a Leica MZ125 stereomicroscope, with lighting achieved through a 27W fluorescent lamp. Photographic images were produced with a digital camera Cool SNAP attached to the Zeiss Stemi 2000-cs stereomicroscope, and plates were finished with ACDSee 10.0 and Photoshop CS 8.0.1, mostly to adjust the size and background. -
Seasonal and Spatial Patterns of Mortality and Sex Ratio in the Alfalfa
Seasonal and spatial patterns of mortality and sex ratio in the alfalfa leafcutting bee, Megachile rotundata (F.) by Ruth Pettinga ONeil A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Entomology Montana State University © Copyright by Ruth Pettinga ONeil (2004) Abstract: Nests from five seed alfalfa sites of the alfalfa leafcutting bee Megachile rotundata (F.) were monitored over the duration of the nesting season in 2000 and 2001, from early July through late August. Cells containing progeny of known age and known position within the nest were subsequently analyzed for five commonly encountered categories of pre-diapause mortality in this species. Chalkbrood and pollen ball had the strongest seasonal relationships of mortality factors studied. Chalkbrood incidence was highest in early-produced cells. Pollen ball was higher in late-season cells. Chalkbrood, parasitism by the chalcid Pteromalus venustus, and death of older larvae and prepupae , due to unknown source(s) exhibited the strongest cell-position relationships. Both chalkbrood and parasitoid incidence were highest in the inner portions of nests. The “unknown” category of mortality was highest in outer portions of nests. Sex ratio was determined for a subset of progeny reared to adulthood. The ratio of females to males is highest in cells in inner nest positions. Sex ratio is female-biased very early in the nesting season, when all cells being provisioned are the inner cells of nests, due to the strong positional effect on sex ratio. SEASONAL AND SPATIAL PATTERNS OF MORTALITY AND SEX RATIO IN THE ALFALFA LEAFCUTTING BEE, Megachile rotundata (F.) by . -
Flower Preferences and Pollen Transport Networks for Cavity‐Nesting Solitary Bees: Implications for the Design of Agri‐Envir
Received: 14 February 2018 | Revised: 22 April 2018 | Accepted: 23 April 2018 DOI: 10.1002/ece3.4234 ORIGINAL RESEARCH Flower preferences and pollen transport networks for cavity- nesting solitary bees: Implications for the design of agri- environment schemes Catherine E. A. Gresty1 | Elizabeth Clare2 | Dion S. Devey3 | Robyn S. Cowan3 | Laszlo Csiba3 | Panagiota Malakasi3 | Owen T. Lewis1 | Katherine J. Willis1,3 1Department of Zoology, University of Oxford, Oxford, UK Abstract 2School of Biological and Chemical Floral foraging resources are valuable for pollinator conservation on farmland, and Sciences, Queen Mary University of London, their provision is encouraged by agri- environment schemes in many countries. Across London, UK Europe, wildflower seed mixtures are widely sown on farmland to encourage pollina- 3Royal Botanic Gardens, Kew, Richmond, UK tors, but the extent to which key pollinator groups such as solitary bees exploit and Correspondence benefit from these resources is unclear. We used high- throughput sequencing of 164 Catherine E. A. Gresty, Department of Zoology, New Radcliffe House, Radcliffe pollen samples extracted from the brood cells of six common cavity- nesting solitary Observatory Quarter, 6GG, Woodstock Rd, bee species (Osmia bicornis, Osmia caerulescens, Megachile versicolor, Megachile Oxford OX2, UK. Email: [email protected] ligniseca, Megachile centuncularis and Hylaeus confusus) which are widely distributed across the UK and Europe. We documented their pollen use across 19 farms in south- ern England, UK, revealing their forage plants and examining the structure of their pollen transport networks. Of the 32 plant species included currently in sown wild- flower mixes, 15 were recorded as present within close foraging range of the bees on the study farms, but only Ranunculus acris L. -
MANAGING INVASIVE ALIEN SPECIES to PROTECT WILD POLLINATORS Osmia Bicornis © Lcrms/Shutterstock.Com
1 MANAGING INVASIVE ALIEN SPECIES TO PROTECT WILD POLLINATORS Osmia bicornis © lcrms/Shutterstock.com Managing invasive alien species to protect wild pollinators Environment 2 MANAGING INVASIVE ALIEN SPECIES TO PROTECT WILD POLLINATORS Managing invasive alien species to protect wild pollinators This document has been drafted by IUCN within the framework of the contract No 07.0202/2018/795538/SER/ ENV.D.2 “Technical support related to the implementation of the EU Pollinators Initiative”. The information and views set out in this document may not be comprehensive and do not necessarily reflect the official opinion of the Commission, or IUCN. The Commission does not guarantee the accuracy of the data included in this document. Neither the Commission nor IUCN or any person acting on the Commission’s behalf, including any authors or contributors of the notes themselves, may be held responsible for the use which may be made of the information contained therein. Reproduction is authorised provided the source is acknowledged. IUCN. 2019. Managing invasive alien species to protect wild pollinators. Technical guidance prepared for the European Commission under contract No 07.0202/2018/795538/SER/ENV.D.2 “Technical support related to the implementation of the EU Pollinators Initiative”. List of contributors: Kevin Smith, Ana Nunes, Giuseppe Brundu, Katharina Dehnen-Schmutz, Xavier Espadaler, Simone Lioy, Aulo Manino, Marco Porporato, Stuart Roberts, and Helen Roy. Date of completion: January 2020 MANAGING INVASIVE ALIEN SPECIES TO PROTECT WILD POLLINATORS 3 What should you know about pollinators? What is pollination? Pollination – the transfer of grains of source of food are the most effective pollen between flowers on different pollinators. -
Chromosome Numbers in Compositae, XII: Heliantheae
SMITHSONIAN CONTRIBUTIONS TO BOTANY 0 NCTMBER 52 Chromosome Numbers in Compositae, XII: Heliantheae Harold Robinson, A. Michael Powell, Robert M. King, andJames F. Weedin SMITHSONIAN INSTITUTION PRESS City of Washington 1981 ABSTRACT Robinson, Harold, A. Michael Powell, Robert M. King, and James F. Weedin. Chromosome Numbers in Compositae, XII: Heliantheae. Smithsonian Contri- butions to Botany, number 52, 28 pages, 3 tables, 1981.-Chromosome reports are provided for 145 populations, including first reports for 33 species and three genera, Garcilassa, Riencourtia, and Helianthopsis. Chromosome numbers are arranged according to Robinson’s recently broadened concept of the Heliantheae, with citations for 212 of the ca. 265 genera and 32 of the 35 subtribes. Diverse elements, including the Ambrosieae, typical Heliantheae, most Helenieae, the Tegeteae, and genera such as Arnica from the Senecioneae, are seen to share a specialized cytological history involving polyploid ancestry. The authors disagree with one another regarding the point at which such polyploidy occurred and on whether subtribes lacking higher numbers, such as the Galinsoginae, share the polyploid ancestry. Numerous examples of aneuploid decrease, secondary polyploidy, and some secondary aneuploid decreases are cited. The Marshalliinae are considered remote from other subtribes and close to the Inuleae. Evidence from related tribes favors an ultimate base of X = 10 for the Heliantheae and at least the subfamily As teroideae. OFFICIALPUBLICATION DATE is handstamped in a limited number of initial copies and is recorded in the Institution’s annual report, Smithsonian Year. SERIESCOVER DESIGN: Leaf clearing from the katsura tree Cercidiphyllumjaponicum Siebold and Zuccarini. Library of Congress Cataloging in Publication Data Main entry under title: Chromosome numbers in Compositae, XII. -
Guideline 410 Prohibited Plant List
VENTURA COUNTY FIRE PROTECTION DISTRICT FIRE PREVENTION BUREAU 165 DURLEY AVENUE CAMARILLO, CA 93010 www.vcfd.org Office: 805-389-9738 Fax: 805-388-4356 GUIDELINE 410 PROHIBITED PLANT LIST This list was first published by the VCFD in 2014. It has been updated as of April 2019. It is intended to provide a list of plants and trees that are not allowed within a new required defensible space (DS) or fuel modification zone (FMZ). It is highly recommended that these plants and trees be thinned and or removed from existing DS and FMZs. In certain instances, the Fire Department may require the thinning and or removal. This list was prepared by Hunt Research Corporation and Dudek & Associates, and reviewed by Scott Franklin Consulting Co, VCFD has added some plants and has removed plants only listed due to freezing hazard. Please see notes after the list of plants. For questions regarding this list, please contact the Fire Hazard reduction Program (FHRP) Unit at 085-389-9759 or [email protected] Prohibited plant list:Botanical Name Common Name Comment* Trees Abies species Fir F Acacia species (numerous) Acacia F, I Agonis juniperina Juniper Myrtle F Araucaria species (A. heterophylla, A. Araucaria (Norfolk Island Pine, Monkey F araucana, A. bidwillii) Puzzle Tree, Bunya Bunya) Callistemon species (C. citrinus, C. rosea, C. Bottlebrush (Lemon, Rose, Weeping) F viminalis) Calocedrus decurrens Incense Cedar F Casuarina cunninghamiana River She-Oak F Cedrus species (C. atlantica, C. deodara) Cedar (Atlas, Deodar) F Chamaecyparis species (numerous) False Cypress F Cinnamomum camphora Camphor F Cryptomeria japonica Japanese Cryptomeria F Cupressocyparis leylandii Leyland Cypress F Cupressus species (C. -
Wild Bee Declines and Changes in Plant-Pollinator Networks Over 125 Years Revealed Through Museum Collections
University of New Hampshire University of New Hampshire Scholars' Repository Master's Theses and Capstones Student Scholarship Spring 2018 WILD BEE DECLINES AND CHANGES IN PLANT-POLLINATOR NETWORKS OVER 125 YEARS REVEALED THROUGH MUSEUM COLLECTIONS Minna Mathiasson University of New Hampshire, Durham Follow this and additional works at: https://scholars.unh.edu/thesis Recommended Citation Mathiasson, Minna, "WILD BEE DECLINES AND CHANGES IN PLANT-POLLINATOR NETWORKS OVER 125 YEARS REVEALED THROUGH MUSEUM COLLECTIONS" (2018). Master's Theses and Capstones. 1192. https://scholars.unh.edu/thesis/1192 This Thesis is brought to you for free and open access by the Student Scholarship at University of New Hampshire Scholars' Repository. It has been accepted for inclusion in Master's Theses and Capstones by an authorized administrator of University of New Hampshire Scholars' Repository. For more information, please contact [email protected]. WILD BEE DECLINES AND CHANGES IN PLANT-POLLINATOR NETWORKS OVER 125 YEARS REVEALED THROUGH MUSEUM COLLECTIONS BY MINNA ELIZABETH MATHIASSON BS Botany, University of Maine, 2013 THESIS Submitted to the University of New Hampshire in Partial Fulfillment of the Requirements for the Degree of Master of Science in Biological Sciences: Integrative and Organismal Biology May, 2018 This thesis has been examined and approved in partial fulfillment of the requirements for the degree of Master of Science in Biological Sciences: Integrative and Organismal Biology by: Dr. Sandra M. Rehan, Assistant Professor of Biology Dr. Carrie Hall, Assistant Professor of Biology Dr. Janet Sullivan, Adjunct Associate Professor of Biology On April 18, 2018 Original approval signatures are on file with the University of New Hampshire Graduate School.