Last edited by Fenrigor
Thursday, July 30, 2020 | History

3 edition of Control of alfalfa leafcutting bee enemies. found in the catalog.

Control of alfalfa leafcutting bee enemies.

C. A. Johansen

Control of alfalfa leafcutting bee enemies.

by C. A. Johansen

  • 3 Want to read
  • 36 Currently reading

Published by Cooperative Extension Service, College of Agriculture, Washington State University in Pullman .
Written in English


Edition Notes

SeriesExtension mimeo -- 2631., Extension mimeo (Washington State University. Cooperative Extension) -- 2631.
ContributionsWashington State University. Cooperative Extension Service.
The Physical Object
Pagination10 p.
Number of Pages10
ID Numbers
Open LibraryOL17612426M
OCLC/WorldCa41800526

Alfalfa leafcutting bee boards with hole diameters of at least 1/4 inch can also be used. This will permit control of emergence time and reduce predation and parasitism by the insect enemies of the bees. Do not place the nests in storage until.   As with any organism, the alfalfa leafcutting bee has a complex of natural enemies, but the most serious disease is chalkbrood, which is caused by the fungus Ascosphaera aggregata. A. aggregata infects bee larvae through the gut (Stephen et al. , Vandenberg and Stephen ).

Effects of Pest Management Practices on Pests and Alfalfa Leafcutting Bees in Alfalfa Seed - Jim Barbour, University of Idaho ($15,) Objective: More insecticide applications are made for control of lygus bugs than for any other insect attacking alfalfa seed in southwest Idaho. Many of these compounds are broad-spectrum organophosphates. Project Methods While continuing to examine the types of pollen carried, we will also examine: 1) Actual numbers of pollen grains carried by individual females. 2) Distribution of alfalfa pollen on bodies of bees. 3) Seasonal trends in pollen types used. 4) Distances from shelters at which bees forage for pollen.

  Ascosphaera aggregata appears to affect the growth of other fungi in the larval gut of the alfalfa leafcutting bee M. rotundata. We do not currently know whether this effect is caused by competition dynamics between A. aggregata and other fungi, by antibiotic compounds secreted by A. aggregata, or is simply a byproduct of A. aggregata metabolism. PubMed:Alfalfa leafcutting bee population dynamics, flower availability, and pollination rates in two Oregon alfalfa fields. PubMed: Characterization of condensed tannins purified from legume forages: chromophore production, protein precipitation, and inhibitory effects on cellulose digestion.


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Control of alfalfa leafcutting bee enemies by C. A. Johansen Download PDF EPUB FB2

The alfalfa leafcutting bee, Megachile rotundata, is a very important pollinator of alfalfa for alfalfa seed production. This bee species was introduced to the United States from Eurasia in the late s. Wherever the bee is managed efficiently and effectively, alfalfa seed yields increase dramatically compared to pollination with honey bees or no bee.

The alfalfa leafcutting bee, Megachile rotundata Fabricius (Hymenoptera: Megachilidae), has been successfully semi-domesticated within the last 50 years to pollinate alfalfa for seed production in North America. Honey bees are inefficient pollinators of alfalfa and, although bumbles bees and some other wild bees are efficient pollinators, they have proved difficult to manage.

Megachile rotundata, the alfalfa leafcutting bee, is a European bee that has been introduced to various regions around the world.

As a solitary bee species, it does not build colonies or store honey, but is a very efficient pollinator of alfalfa, carrots, other vegetables and some e of this, farmers often use M. rotundata as a pollination aid by distributing M. rotundata prepupae Class: Insecta.

Alfalfa leafcutter bees for pollinating alfalfa in western Canada. Agriculture Canada Publication Homan, H., L. Kish, N. Waters, and R. Bitner. Alfalfa Leafcutting Bee Management in Idaho.

University of Idaho. Extension Bulletin Hopkins, I. History of the Bumblebee in New Zealand: Its Introduction and Results. New Zealand. Topics: Alfalfa leafcutting bee, Monodontomerus obscurus -- Control -- Washington (State), Carpet beetles -- Control -- Washington (State), Agricultural pests.

The alfalfa leafcutting bee, Megachile rotundata (F.), is a solitary, cavity-nesting bee that has been managed in large numbers to pollinate alfalfa, Medicago spp., seed crops since the s.

Dr. Peterson also shares insights from his work around alfalfa leafcutting bee management and vector control. Peterson has authored or co-authored peer-reviewed journal articles, 14 book chapters, and one book.

that of the alfalfa leafcutting bees. Both managed bee species typically forage for 4 to 6 weeks and foraging activity declines rapidly as July progresses.

Alfalfa leafcutting bee is a key pollinator of alfalfa produced for seed in Washington State. Alkali bees also provide pollination services for alfalfa seed produced in the Walla Walla Valley.

(). Further Studies on the use of Fungicides for Control of Chalkbrood of the Alfalfa Leafcutting Bee. Journal of Apicultural Research: Vol. 26, No. 3, pp. Developing a bee-friendly alternative to traditional insecticides used within commercial environments can contribute to reductions in pesticide exposure experienced by managed bees.

We performed acute contact toxicity studies using fifteen plant powders from seven plant families against a parasitoid pest, Pteromalus venustus, and its host, the Alfalfa leafcutting bee (ALB). The item Biology and control of Sapyga pumila: a parasite of the alfalfa leafcutting bee, Philip F.

Torchio represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Brigham Young University. The alfalfa leafcutting bee, Megachile rotundata F., is used extensively to pollinate alfalfa for seed production in western North America.

and cells attacked by natural enemies varied. Megachile rotundata alfalfa leafcutting bee. Facebook. Twitter. 1; alfalfa leafcutting bee Family Megachilidae leafcutting bees. Megachilidae: pictures (4) Genus Megachile.

While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references.

Etymology. The word alfalfa is a Spanish modification of the Arabic word al-faṣfaṣa. History. Alfalfa seems to have originated in south-central Asia, and was first cultivated in ancient Iran.

According to Pliny (died 79 AD), it was introduced to Greece in about BC when the Persians invaded Greek a cultivation is discussed in the fourth-century AD book Opus Agriculturae.

Alfalfa leafcutting bee population dynamics, flower availability, and pollination rates in two Oregon alfalfa fields. Journal of Economic Entomology. 98(4) LEAFHOPPER ASSEMBLAGES ON NATIVE AND RESEEDED GRASSLANDS IN SOUTHWESTERN MONTANA - (Peer Reviewed Journal).

Semantic Scholar profile for P. Read, with 3 highly influential citations and 11 scientific research papers.

Recommended Citation. Parker, F. Further studies on the use of fungicides for control of chalkbrood of the alfalfa leafcutting bee.

tural Res. Alfalfa seed yield improved greatly where alfalfa leafcutting bees were employed. For example, in Idaho, yields were – kg/ha prior to the arrival of the alfalfa leafcutting bee, but yields climbed to – kg/ha afterwhen the leafcutting bees became commonplace (Olmstead and Wooten, ).Mass rearing this bee involves wintering the cocoons in cold storage, followed by.

Alfalfa leafcutting bee population dynamics, flower availability, and pollination rates in two Oregon alfalfa fields.

Journal of Economic Entomology 41) E. Ladurner, J. Bosch, W. Kemp, S. Maini. Evaluation of a standard artificial flower design to feed individual bees known amounts of pesticides.

Apidologie By Phillip F. Torchio, Published on 01/01/ Title. Biology and control of Sapyga pumila, a parasite of the alfalfa leafcutting bee. 1)Lygus bugs are a serious pest of alfalfa seed in idaho and the pacific northwest 2)Effective biological management of lygus bugs could benefit alfalfa seed production by reducing damage to alfalfa seed and by reducing negative impacts of management on pollinators and beneficial natural enemies and delay or prevent the development of insecticide resistance.

Free-flying adult alfalfa leafcutting bees (ALCB) and honey bees were collected from alfalfa and hybrid canola seed production fields in southern Alberta in 17–24 July ().ALCB were collected near three shelters (i.e., commercial domiciles in which thousands of females communally nest together (see Pitts-Singer and Cane, )) per honey bees were present in the field (), the.They are smaller than our indigenous leafcutting bees (5 to 9 mm long, rather than 9 to 20 mm).

They are stocky, with broad heads, and females have a ventral brush of .