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Bulletin No. 206-Treehopper Injury in Utah Orchards
Utah State University DigitalCommons@USU UAES Bulletins Agricultural Experiment Station 6-1928 Bulletin No. 206 - Treehopper Injury in Utah Orchards Charles J. Sorenson Follow this and additional works at: https://digitalcommons.usu.edu/uaes_bulletins Part of the Agricultural Science Commons Recommended Citation Sorenson, Charles J., "Bulletin No. 206 - Treehopper Injury in Utah Orchards" (1928). UAES Bulletins. Paper 178. https://digitalcommons.usu.edu/uaes_bulletins/178 This Full Issue is brought to you for free and open access by the Agricultural Experiment Station at DigitalCommons@USU. It has been accepted for inclusion in UAES Bulletins by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. Bulletin 2 06 June, 1928 Treehopper Injury in Utah Orchards By CHARLES J. SORENSON 3 Dorsal and side views of the following species of treehoppers: 1. Ceresa bubalus (Fabr.) ( Buffalo treehopper) 2. Stictocephala inermis (Fabr.) 3. Stictocephala gillettei Godg. (x 10 ) UTAH AGRICULTURAL EXPERIMENT STATION LOGAN. UTAH UTAH AGRICULTURAL EXPERIMENT STATION , BOARD OF TRUSTEES . ANTHONY W. IVINS, President __ _____ ____________________ __ ___________________ Salt Lake City C. G. ADNEY, Vice-President ____ ___ ________________________________ ________________________ Corinne ROY B ULLEN ________ __________________________ _______ _____ _____ ________ ___ ____ ______ ____ Salt Lake City LORENZO N . STOHL ______ ___ ____ ___ ______________________ __ ___ ______ _____ __________ Salt Lake City MRS. LEE CHARLES MILLER ___ ______ ___ _________ ___ _____ ______ ___ ____ ________ Salt Lake City WE S TON V ERN ON, Sr. ________________________ ___ ____ ____ _____ ___ ____ ______ __ __ _______ ________ Loga n FRANK B. STEPHENS _____ ___ __ ____ ____________ ____ ______________ __ ___________ __.___ Salt Lake City MRS. -
Integrated Pest Management for Home Gardens: Insect Identification and Control
Insect Pests July 2003 IP-13 Integrated Pest Management for Home Gardens: Insect Identification and Control Richard Ebesu Department of Plant and Environmental Protection Sciences ntensive, high-production agricultural systems have IPM components and practices Itraditionally used synthetic pesticides as the primary Integrated pest management strategies consist of site tool to eliminate pests and sustain the least amount of preparation, monitoring the crop and pest population, economic damage to the crop. Dependence on these pes problem analysis, and selection of appropriate control ticides has led to development of pest resistance to pes methods. Home gardeners can themselves participate in ticides and increased risk to humans, other living or IPM strategies and insect control methods with a little ganisms, and the environment. knowledge and practice. Integrated pest management (IPM) is a sustainable approach to managing pests that combines biological, Preparation cultural, physical, and chemical tools in a way that mini What control strategies can you use before you plant? mizes economic, health, and environmental risks. You need to be aware of potential problems and give The objective of IPM is to eliminate or reduce po your plants the best chance to grow in a healthy envi tentially harmful pesticide use by using a combination ronment. of control methods that will reduce the pest to an ac ceptable level. The control methods should be socially Soil preparation acceptable, environmentally safe, and economically Improve the physical properties of the soil including practical. Many commercial agricultural systems use texture and drainage to reduce waterlogging. Improve IPM methods to manage pest problems, and home gar soil fertility and soil organic matter by working well deners can use similar methods to control pest problems rotted compost into the soil. -
The Occurrence of Stalk-Eyed Flies (Diptera, Diopsidae) in the Arabian Peninsula, with a Review of Cluster Formation in the Diopsidae Hans R
Tijdschrift voor Entomologie 160 (2017) 75–88 The occurrence of stalk-eyed flies (Diptera, Diopsidae) in the Arabian Peninsula, with a review of cluster formation in the Diopsidae Hans R. Feijen*, Ralph Martin & Cobi Feijen Catalogue and distribution data are presented for the six Diopsidae species known to occur in the Arabian Peninsula: Sphyracephala beccarii, Chaetodiopsis meigenii, Diasemopsis aethiopica, Diopsis arabica, Diopsis mayae and Diopsis sp. (ichneumonea species group). The biogeographical aspects of their distribution are discussed. Records of Diopsis apicalis and Diopsis collaris are removed from the list for Arabia as these were based on misidentifications. Synonymies involving Diasemopsis aethiopica and Diasemopsis varians are discussed. Only one out of four specimens in the D. elegantula type series proved conspecific with D. aethiopica. The synonymy of D. aethiopica and D. varians is rejected. A lectotype for Diasemopsis elegantula is now designated. D. elegantula is proposed as junior synonym of D. varians. A fly cluster of more than 80,000 Sphyracephala beccarii, observed in Oman, is described. The occurrence of cluster formations in the Diopsidae is reviewed, while a possible explanation is indicated. Hans R. Feijen*, Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands. [email protected] Ralph Martin, University of Freiburg, Münchhofstraße 14, 79106 Freiburg, Germany Cobi Feijen, Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands Introduction catalogue for Diopsidae, Steyskal (1972) only re- Westwood (1837b) described Diopsis arabica as ferred to Westwood and Hennig as far as Diopsidae the first stalk-eyed fly from the Arabian Peninsula. in Arabia was concerned. -
Differences in the Sugar Composition of the Honeydew of Polyphagous
NOTE Eur. J. Entomol. 108: 705–709, 2011 http://www.eje.cz/scripts/viewabstract.php?abstract=1671 ISSN 1210-5759 (print), 1802-8829 (online) Differences in the sugar composition of the honeydew of polyphagous brown soft scale Coccus hesperidum (Hemiptera: Sternorrhyncha: Coccoidea) feeding on various host plants KATARZYNA GOLAN 1 and AGNIESZKA NAJDA2 1Department of Entomology, University of Life Sciences in Lublin, LeszczyĔskiego 7, 20-069 Lublin, Poland; e-mail: [email protected] 2 Department of Vegetable and Medicinal Plants, University of Life Sciences in Lublin, LeszczyĔskiego 58, 20-068 Lublin, Poland Key words. Coccoidea, Coccus hesperidum, brown scale insects, honeydew, host plants, soft scale, sugar composition Abstract. Plant chemical composition is an important determinant of host plant-insect interactions. For many insects sugars are the main factors determining the acceptability of a plant. This study investigated changes in plant chemical composition and differences in sugar composition of different host plants induced by the feeding of Coccus hesperidum L. (Hemiptera: Sternorrhyncha: Coccoi- dea). Present in plant extracts and honeydew there were three monosaccharide sugars: glucose, fructose and arabinose, and one disaccharide – sucrose. Arabinose was only found in extracts of Ficus benjamina plants. The sugar content of the honeydew was greater than in the extracts of control plants and lower than that in the extracts of infested plants. The honeydew collected from C. hesperidum feeding on the three plant species differed significantly in sugar content. Extracts of coccid infested plants of the three species used in this study contained more sugar than the un-infested control plants. The results show that honeydew composition of scale insects differ and the differences reflect the chemical composition of the host plants. -
The Oak Treehopper.Pdf
ENTOMOLOGY CIRCULAR No.57 FLORIDA DEPARTMENT OF AGRICULTURE FEBRUARY 1967 DIVISION OF PLANT INDUSTRY THE OAK TREEHOPPER, PLATYCOTISVITTATA (FABRICIUS) 1 (HOMOPTERA: MEMBRACIDAE) F. w. MEAD I NTROOUCTlON: THE OAK TREEHOPPER IS FAIRLY COMMON ON DECIDUOUS AND EVERGREEN OAKS, QUERCUS SPP., WHERE IT IS SOMETIMES SUFFICIENTLY ABUNDANT TO CAUSE CONCERN TO OWNERS OF VALUABLE SHADE TREES. IN FLORIDA WE HAVE REPORTS OF PROFESSIONAL SPRAYMEN BEING HIRED TO CONTROL THIS PEST. HOWEVER, DAMAGE BY A COLONY OF THIS SPECIES OF TREEHOPPER IS MINOR AND ESSENTIALLY CONFINED TO SMALL OVIPOSITION SCARS IN TWIGS. THiS CONTRASTS WITH THE CLOSELY RELATED THORN BUG, !JMBONIA CRASSICORNIS (A. &: S.) , WHICH CAN, WHEN ABUNDANT, CAUSE CONSIDERABLE DIEBACK OR EVE~ DEATH OF SMALL TREES. ""- ~ """""0' 0. ~ """, '."" ~ 6-},. , FIG. FiG. 2. NYMPH. 7X LEFT. f1.rnIDA ~ DISTRIBUTION OF 7 PLATYCOTJS VITTATA. ... -A'" FIG. 3. ADULT .E. VITTATA VAR. fSAGITTAn'. 7x DISTRIBUTION: FUNKHOUSER (1951) GIVES THE DISTRIBUTION AS BRAZIL, MEXICO, AND UN!TED STATES. THiS SPECIES ALSO HAS BEEN REPORTED FROM VANCOUVER ISLAND, CANADA. THE RECORDED DISTRIBUTION IN THE UNITED STATES IS PRIMARILY IN THE STATES THAT FORM A BROAD U-SHAPED CURVE FROM PENNSYLVANIA AND NEW JERSEY SOUTH THROUGH THE CAROLINAS AND GEORGIA TO FLORIDA, THEN WEST TO MISSISSIPPi. TEXAS, ARIZONA, CALIFORNIA, AND NORTH TO OREGON (AND VANCOUVER) WHERE THE COASTAL CLIMATE IS MODERATE. INTERIOR RECORDS INCLUDE OHIO, ILLiNOiS. TENNESSEE, AND WESTERN NORTH CAROLINA, BUT IN GENERAL, THERE IS A SCARCITY OF RECORDS FROM THE GREAT HEARTLAND AREAS OF THE UNITED STATES. THE 40TH PARALLEL SERVES AS AN APPROXiMATE NORTHERN RANGE LIMIT WITH FEW EXCEPTiONS. THE FLORIDA DISTRIBUTION IS INDICATED IN FiG. -
Diptera, Diopsidae) in Sri Lanka with Descriptions of Two New Species and a Review of the Other Stalk-Eyed Flies from the Island
ZooKeys 946: 113–151 (2020) A peer-reviewed open-access journal doi: 10.3897/zookeys.946.53108 RESEARCH ARTICLE https://zookeys.pensoft.net Launched to accelerate biodiversity research A revision of the genus Teleopsis Rondani (Diptera, Diopsidae) in Sri Lanka with descriptions of two new species and a review of the other stalk-eyed flies from the island Hans R. Feijen1, Cobi Feijen1 1 Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, The Netherlands Corresponding author: Hans R. Feijen ([email protected]) Academic editor: R. Meier | Received 10 April 2020 | Accepted 27 May 2020 | Published 6 July 2020 http://zoobank.org/CFC2300D-4E2C-44BF-B2A4-E11E406B5A0F Citation: Feijen HR, Feijen C (2020) A revision of the genus Teleopsis Rondani (Diptera, Diopsidae) in Sri Lanka with descriptions of two new species and a review of the other stalk-eyed flies from the island. ZooKeys 946: 113–151. https://doi.org/10.3897/zookeys.946.53108 Abstract The literature on Sri Lankan Diopsidae is reviewed. Eight Diopsidae are now known to occur in Sri Lanka, five species in the genusTeleopsis and one species each in the genera Sphyracephala, Diopsis, and Cyrtodiopsis. The presence of Cyrtodiopsis requires confirmation to exclude the possibility of mislabelling. All five Teleopsis species are endemic, as are the Diopsis species and probably the Cyrtodiopsis species. Only Sphyracephala bipunctipennis Senior-White has a larger distribution as it also occurs in India. A key is pre- sented for the Diopsidae of Sri Lanka. Three Teleopsis species were already known to occur in Sri Lanka: T. ferruginea Röder, T. -
Ant–Treehopper Associations Deter Pollinators and Reduce Reproduction in a Tropical Shrub
Indirect effects of mutualism: ant– treehopper associations deter pollinators and reduce reproduction in a tropical shrub Javier Ibarra-Isassi & Paulo S. Oliveira Oecologia ISSN 0029-8549 Volume 186 Number 3 Oecologia (2018) 186:691-701 DOI 10.1007/s00442-017-4045-7 1 23 Oecologia (2018) 186:691–701 https://doi.org/10.1007/s00442-017-4045-7 PLANT-MICROBE-ANIMAL INTERACTIONS - ORIGINAL RESEARCH Indirect efects of mutualism: ant–treehopper associations deter pollinators and reduce reproduction in a tropical shrub Javier Ibarra‑Isassi1,2 · Paulo S. Oliveira1 Received: 22 September 2017 / Accepted: 10 December 2017 / Published online: 15 December 2017 © Springer-Verlag GmbH Germany, part of Springer Nature 2017 Abstract Animal-pollinated plants can be susceptible to changes in pollinator availability. Honeydew-producing treehoppers fre- quently occur on inforescences, potentially enhancing ant-mediated negative efects on pollination services. However, the efect of ant-attended, honeydew-producing insects on plant reproduction remains uncertain. We recorded the abundance of treehoppers and ants on Byrsonima intermedia (Malpighiaceae), and monitored foral visitors in a Brazilian cerrado savanna. We manipulated the presence of ants and ant–treehopper associations on inforescences to assess their efect on pollination and fruit formation. We used dried ants pinned to inforescences to evaluate the efect of ant presence and ant identity on potential pollinators. Results show that the presence of treehoppers increases ant abundance on fowers and disrupts pollination by oil-collecting bees, decreasing the frequency and duration of foral visits and reducing fruit and seed set. Treehopper herbivory has no direct efect on fruit or seed production, which are independent of treehopper density. -
Treehoppers Several Species Order Hemiptera, Family Membracidae; Treehoppers Native Pests
Pests of Trees and Shrubs Treehoppers Several species Order Hemiptera, Family Membracidae; treehoppers Native pests Host plants: Treehoppers are found on many tree species and are most commonly on young trees and perennial weeds. Oviposition damage caused by treehopper adult females. (241) Description: Treehoppers are small insects, usually less Photo: John Davidson than one-half inch long. They are called “treehoppers” because upon being approached they jump or hop away with a loud snap. They have a pronotum that is enlarged and developed into horns, knobs and other strange shapes. Males and females of the same species, however, can sometimes have very different pronotal shapes or colors. Life history: Adult females deposit eggs singly or in masses, either inserted directly into living tissue or on the surface of the plant. Females of some species cover their eggs with a frothy substance that hardens when dry. The eggs of most species remain in the plant through the winter and hatch in spring. Some adult females guard their eggs and remain with their young throughout their Treehopper adult. (242) development. Nymphs molt five times prior to reaching Photo: John Davidson the adult stage. Treehoppers usually have one or more generations per year. Overwintering: Eggs on host plants. Damage symptoms: Primary injury is caused by the females cutting into the bark to lay their eggs. Nymphs and adults also feed on plant tissue and suck cell fluids with their sharp, needle-like mouth parts. Monitoring: Monitor by hand sweeping young trees and shrubs with a net. Monitor for adults from early July to the end of October, or until the first frost. -
New Species of Rhizomyces (Ascomycota, Laboulbeniales) Parasitic on African Stalk-Eyed Flies (Diptera, Diopsidae)
European Journal of Taxonomy 474: 1–13 ISSN 2118-9773 https://doi.org/10.5852/ejt.2018.474 www.europeanjournaloftaxonomy.eu 2018 · Rossi W. & Feijen H.R. This work is licensed under a Creative Commons Attribution 3.0 License. Research article New species of Rhizomyces (Ascomycota, Laboulbeniales) parasitic on African stalk-eyed flies (Diptera, Diopsidae) Walter ROSSI 1,* & Hans R. FEIJEN 2 1 Sect. Environmental Sciences, Dept of Life, Health and Environmental Sciences, University of L’Aquila, Coppito (AQ), 67100 Italy. 2 Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands. * Corresponding author: [email protected] 2 Email: [email protected] Abstract. Three new species of Rhizomyces Thaxt., parasitic on African stalk-eyed flies, are described. These are R. forcipatus W.Rossi & Feijen sp. nov., parasitic on various species of Centrioncus Speiser from Ivory Coast, Kenya and Malawi and Teloglabrus Feijen from South Africa; R. ramosus W.Rossi & Feijen sp. nov., parasitic on Diopsina nitida (Adams, 1903) from Uganda; R. tschirnhausii W.Rossi & Feijen sp. nov., parasitic on Diopsina africana (Shillito, 1940) from Uganda. All previous records of species of Rhizomyces are presented in tabulated form with updated host names. A key is presented to all species of Rhizomyces. The occurrence of Rhizomyces and other taxa of the Laboulbeniales Lindau in the genera of the Diopsidae Billberg is discussed. Keywords. Afrotropical, Diopsidae, Laboulbeniales, Rhizomyces, taxonomy. Rossi W. & Feijen H.R. 2018. New species of Rhizomyces (Ascomycota, Laboulbeniales) parasitic on African stalk- eyed flies (Diptera, Diopsidae).European Journal of Taxonomy 474: 1–13. https://doi.org/10.5852/ejt.2018.474 Introduction About 10% of the approximately 2100 described species of Laboulbeniales Lindau, parasitic fungi of arthropods, is associated with the Diptera Linnaeus, 1758. -
Theoretical Aspects of the Evolution of Reproductive Parasites
1 Theoretical Aspects of the Evolution of Reproductive Parasites by Jan Engelstaedter A thesis submitted for the degree of Doctor of Philosophy of the University of London December 2006 Department of Biology University College London UMI Number: U592750 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a complete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. Dissertation Publishing UMI U592750 Published by ProQuest LLC 2013. Copyright in the Dissertation held by the Author. Microform Edition © ProQuest LLC. All rights reserved. This work is protected against unauthorized copying under Title 17, United States Code. ProQuest LLC 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, Ml 48106-1346 2 Declaration This dissertation represents, except where specifically mentioned in the text, the results of my own research. The dissertation is not substantially the same as any that I have submitted for a degree or other qualification at this or any other university. No part of my dissertation has already been or is currently submitted for any such degree or other qualification. Jan Engelstaedter Dr. Gregory Hurst teandidate Supervisor 3 A bstract Reproductive parasites are maternally inherited endosymbionts that manipulate the reproduction of their hosts in a way that enhances the transmission of the parasites, but is deleterious to the hosts. In the present thesis, I try to resolve some ques tions concerning the evolution of reproductive parasites and their hosts by means of theoretical modelling, using a variety of approaches including recurrence equations, optimisation, and stochastic modelling. -
Body Plan Innovation in Treehoppers Through the Evolution of an Extra Wing-Like Appendage
LETTER doi:10.1038/nature09977 Body plan innovation in treehoppers through the evolution of an extra wing-like appendage Benjamin Prud’homme1, Caroline Minervino1,Me´lanie Hocine1, Jessica D. Cande1,A¨ıcha Aouane1,He´lo¨ıse D. Dufour2, Victoria A. Kassner2 & Nicolas Gompel1 Body plans, which characterize the anatomical organization of attached to T1 by jointed articulations, it follows that it is a T1 dorsal animal groups of high taxonomic rank1, often evolve by the reduc- appendage, a situation completely unexpected in extant insects. The tion or loss of appendages (limbs in vertebrates and legs and wings treehoppers’ helmet is therefore distinct from the thoracic expan- in insects, for example). In contrast, the addition of new features is sions that evolved in other insect lineages, for instance in horn beetles16 extremely rare and is thought to be heavily constrained, although or in various other hemipterans (Supplementary Fig. 2a–c), which are the nature of the constraints remains elusive2–4. Here we show that cuticular projections and not articulated appendages. The conclusion the treehopper (Membracidae) ‘helmet’ is actually an appendage, a that the helmet isa bonafide appendage does not exclude the hypothesis wing serial homologue on the first thoracic segment. This innova- that, from an evolutionary perspective, the helmet initially arose from tion in the insect body plan is an unprecedented situation in cuticular expansions. In this gradualist picture, the prothoracic out- 250 Myr of insect evolution. We provide evidence suggesting that growths observed in some hemipterans might represent evolutionary the helmet arose by escaping the ancestral repression of wing forerunners of the treehoppers’ helmet. -
Sucrose Triggers Honeydew Preference in the Ghost Ant, Tapinoma Melanocephalum (Hymenoptera: Formicidae) A
Sucrose triggers honeydew preference in the ghost ant, Tapinoma melanocephalum (Hymenoptera: Formicidae) A. M. Zhou1, 2,*, B. Q. Kuang2, Y. R. Gao2, and G. W. Liang2 Abstract Honeydew produced by hemipterans mediates mutualistic interactions between ants and hemipterans. Previous studies demonstrated that the mealybug Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) and the aphid Myzus persicae (Sulzer) (Hemiptera: Aphididae) produce abundant honeydew and attract a large number of tending ants. Ghost ants, Tapinoma melanocephalum (F.) (Hymenoptera: Formicidae), show a significant preference for mealybug honeydew over aphid honeydew. Although many studies have indicated that the honeydew produced by hemip- terans plays an important role in ant–hemipteran interactions, we know little about what triggers ants’ foraging preferences. Our results showed that the honeydew produced by both mealybugs and aphids contained fructose, sucrose, trehalose, melezitose, raffinose, and rhamnose. There were no significant difference in the concentrations of the various sugars between mealybugs and aphids, except sucrose. Xylose was present only in mealy- bug honeydew, and glucose was present only in aphid honeydew. We also found no substantial difference in the excretion frequency and the total weight of honeydew produced per 24 h between mealybugs and aphids. Ghost ants preferred sucrose. In addition, attractiveness of sucrose solutions increased significantly with increasing concentration. These results suggest that sucrose is the trigger for ghost ants’ honeydew preference. Key Words: ant–hemipteran mutualism; sugar composition; sugar concentration Resumen La mielcilla producida por hemípteros regula las interacciones mutualistas entre las hormigas y los hemípteros. Los estudios anteriores demostraron que la cochinilla harinosa Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) y el áfido Myzus persicae (Sulzer) (Hemiptera: Aphididae) producen mielcilla abundante y atraen a un gran número de hormigas que atienden.