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Topic: Chalcid wasp


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In the News (Wed 30 May 12)

  
  Chalcid wasp - Wikipedia, the free encyclopedia
Most of the species are parasitoids of other insects, attacking the egg or larval stage of their host.
Generally beneficial to humans as a group, chalcids keep crop pests under control, and many species have been imported to control insect pests.
Chalcids are tiny, dark-coloured wasps, often metallic blue or green with complex sculpturing on the body.
en.wikipedia.org /wiki/Chalcid_wasp   (199 words)

  
 MSN Encarta - Wasp
Insects known as wasps include the sawflies, the parasitic wasps, and the stinging wasps, which are the best known.
In the vegetarian sawflies, the abdomen is broadly attached to the thorax and the ovipositor is rigid; in the higher wasps, the abdomen is flexibly attached to the thorax and the ovipositor is movable.
Wasp nests may be as simple as a straight burrow in the ground, like those made by the females of many digger wasps.
encarta.msn.com /encyclopedia_761571800/Wasp.html   (532 words)

  
 Wasp
Chalcid wasp Subfamilies of Chalcid Wasps many subfamilies, Chalcid wasps (family Chalcidae) belong to the insect order...
WASP Alternate meaning: Wasp (disambiguation) WASP is an 1962 journal article.) The term, as used in the Southern Baptis...
Wasp interceptor The F-110 Wasp was a dedicated fleet interceptor deployed by the Confederation in the fictional Wing Co...
www.brainyencyclopedia.com /topics/wasp.html   (414 words)

  
 Wasps   (Site not responding. Last check: 2007-10-21)
The wasp is a mini beast with six legs and a sting.
There are five different kinds of wasps such as the common wasp, the digger wasp and a chalcid wasp.
The female wasps were the only wasps that have a sting, the male wasps do not have a sting.
web.ukonline.co.uk /Members/s.livingston/science/nqt2/wasp.html   (381 words)

  
 [No title]
Remember that wasps feed themselves nectar and pollen, so an insect on a flower gathering nectar could be either a bee or a wasp.
This will either be a spider wasp (looking for spiders to provision its nest with) or a kind of sand wasp that hunts for grasshoppers or katydids.
On the left is a little chalcid wasp sitting on an egg (could be a Drosophila egg).
www.brown.edu /Courses/Bio_45/Journals/bee_wasp.html   (468 words)

  
 Family CHALCIDIDAE - Chalcid Wasps   (Site not responding. Last check: 2007-10-21)
Chalcid Wasp parasite on Tailed Emperor Butterfly pupa
However, about two weeks later, we saw there are many holes on the pupa and more than 20 Chalcid Wasps had came out from the pupa.
This might indicate that the pupas were parasite by wasp or fly.
www.geocities.com /brisbane_wasps/Chalcididae.htm   (244 words)

  
 Brazilian peppertree seed chalcid - Megastigmus transvaalensis (Hussey)
Body length for female wasps ranges from 3.1 to 3.4 mm; the length of the abdomen and ovipositor range in size from 1.2 to 1.4 and 1.5 to 1.9 mm, respectively.
Prior to emergence of the adult wasp, it is difficult to distinguish between attacked and unattacked drupes as there apparently is no external evidence of the insect developing inside the seed.
The wasp is currently being redistributed to remote areas infested with Brazilian peppertree such as the Everglades National Park where the insect is not established.
creatures.ifas.ufl.edu /beneficial/m_transvaalensis.htm   (1819 words)

  
 Biological Control Agents of Multiflora Rose
Later, Milliron (1949) reported that the rose seed chalcid "now appears to be well established in parts of the Atlantic Seaboard." Scott (1965) found large numbers of the rose seed chalcid at the Patuxent National Wildlife Refuge near Washington, D.C., with infestation rates around 95% percent.
Mays and Kok (1988) reported a survey for the chalcid in multiflora rose seed in Virginia during 1985 and 1986 and found average infestation rates of 26.5% (range of 2-59%) and 23.9% (range of 2-52%), respectively, in 50 of 51 counties surveyed.
We believe that the chalcid will eventually find and utilize 90% or more of the multiflora rose seed in the eastern United States and act as a powerful biological control for the weed, helping to reduce its rate of spread to a low level.
www.wvu.edu /~agexten./ipm/weeds/multiflor.htm   (1875 words)

  
 Simple top lighting for the compound microscope
The history is made even more bizarre in that while this gall is produced by an asexual generation of wasp, a completely different gall, on another species of oak, is produced by the next, sexual generation of the same wasp.
Then there are 'inquilines'; wasps which lay their eggs in the developing gall to feed on the vegetable matter inside it.
Finally there are 'parasitoids', chalcid wasps which lay their eggs inside the causer or inquiline larvae, using them as living food stores, but finally killing them.
www.microscopy-uk.org.uk /mag/art98/robwill1.html   (1844 words)

  
 Untitled   (Site not responding. Last check: 2007-10-21)
The chalcid wasp feeds on and lays it's eggs in the asparagus beetle's eggs.
Wasp larvae then develope inside the beetle larvae.
Kinda like the movie "Alien" or "Aliens", where the beetle larvae don't know they are infected until the wasp larvae pop out and kill them.
www.suite101.com /print_article.cfm/1882/18870   (261 words)

  
 Collecting Chalcidoidea
These wasps parasitize (rarely predate) a wide variety of immature arthropods: 13 orders of Insecta, two orders of Arachnida and one family of Nematoda (Grissel and Schauff 1997).
Chalcidoidea is characterized by highly reduced forewing venation consisting of (at most) a single vein complex subdivided into submarginal, marginal, postmarginal and stigmal veins (Chalcid wing).
To the generalist collector sweeping in the field, the apparency of these hymenopterans is going to be limited to those that don’t escape through the large holes in the net bag of a conventional butterfly net.
www.sel.barc.usda.gov /hym/chalcids/collecting/coll_chalc.html   (2383 words)

  
 Chalcid   (Site not responding. Last check: 2007-10-21)
Most of the species are parasitoids of other insects, attacking the egg orlarval stage of their host.
A few species are phytophagous and the larvae feed inside seeds, stems,and galls.
Generally beneficial to humans as a group, chalcids keep crop pests undercontrol, and many species have been imported to control insect pests.
www.therfcc.org /chalcid-240101.html   (163 words)

  
 Chalcid Wasp parasite on Jezabel Butterfly   (Site not responding. Last check: 2007-10-21)
It could be the pupa of the parasitic wasp.
As a Chalcid Wasp, this wasp was quite large.
It was golden brown in typical wasp colour, had the Chalcid Wasp characteristic of straight thick antenna and enlarged hind legs.
www.geocities.com /brisbane_wasps/ChalcidOnJezabel.htm   (187 words)

  
 Biological Control Agents
Wasp larva is a key factor in leafminer suppression.
In some pest species, chalcid parasitism may exceed 50 percent of the population.
Adults generally larger than other wasp parasites, with a long ovipositor.
orchard.uvm.edu /aim/9697neapmg/biocontrol.html   (296 words)

  
 Re: Brazilian peppertree seed chalcid wasp distribution   (Site not responding. Last check: 2007-10-21)
The distribution of the BP Wasp is based on presence or absence by county.
Although Monroe County is identified on the map, I don't have immediate access to specific locations where the wasp was recovered in Monroe County proper.
He may or may not have collected the wasp in the Keys.
biocontrol.ifas.ufl.edu /messages/_disc3/0000002e.htm   (110 words)

  
 Brazilian Peppertree Seed Wasp, Megastigmus transvaalensis (Hymenoptera: Torymidae)
Distribution of the Brazilian peppertree, Schinus terebinthifolius Raddi, and the seed chalcid wasp, Megastigmus transvaalensis (Hussey), in Florida in mid-2002.
After the larvae of the Brazilian peppertree seed chalcid attain their maximum size, they transform into the pupal stage and remain in a prolonged diapause (or resting) period for several months.
The complete life history of the Brazilian peppertree seed chalcid has not been investigated but a generalized biology of seed-attacking Megastigmus wasps was described by (Milliron 1949).
edis.ifas.ufl.edu /BODY_IN453   (2090 words)

  
 Hymenoptera - Ants, Bees, Wasps   (Site not responding. Last check: 2007-10-21)
A brief description of the physical and behavioral characteristics of this bee named for its tendency to nest in wood and plant stems.
Browse a description of this wasp's physical characteristics, nest, colony, and life cycle.
Take a basic look at the social and solitary wasps, with information on its sting, relatives in the flying insect world, and current classification.
www.eagle.ca /~matink/themes/Insects/ants.html   (1274 words)

  
 Multiflora Rose Control, Bulletin 857, Introduction   (Site not responding. Last check: 2007-10-21)
Increasingly, three biotic agents are providing significant natural biological control: 1) rose rosette disease, a virus; 2) rose seed chalcid, a wasp; and 3) the rose stem girdler, a beetle.
Unfortunately, these agents have not yet sufficiently reduced multiflora stands in most areas to warrant ceasing use of chemical, mechanical, or grazing control.
Rose rosette disease and rose seed chalcid wasp are expected to intensify in future years to provide widespread biological control.
www.caf.wvu.edu /~Forage/multifloralos/b857_1.htm   (534 words)

  
 Antlion Pit: What are Antlions?
For example, the larvae of the Australian horsefly Scaptia muscula live inside antlion larvae pits, where they share the spoils of the antlions' trapping abilities (Ramel 1995).
A species of chalcid wasp, Lasiochalcidia igiliensis, is also an antlion parasite.
The wasp provokes a host antlion larva into grabbing the parasite's legs in its mandibles, at which time the parasite oviposits into the membrane between the larva's head and thorax (Systematic Entomology Laboratory).
www.antlionpit.com /what.html   (615 words)

  
 Natural Selection: subject gateway to the natural world
Sections include species fact sheets and identification keys for fig trees, information of fig and fig wasp classification, the life history of fig wasps and pages on the mutualism between plant and wasp.
Other features include a video on the interaction of figs and fig wasps and references are provided for further information.
This site deals with the social behaviour of wasps and is aimed at a wide student audience.
nature.ac.uk /browse/591.5.html   (6556 words)

  
 Pteromalidae? - BugGuide.Net
Home » Guide » Arthropods (Arthropoda) »; Hexapods (Hexapoda) » Insects (Insecta) »; Pterygota » Ants, Bees, Wasps and Sawflies (Hymenoptera) »; Ants, Bees and Wasps (Apocrita) »; Wasps » Chalcid Wasps (Chalcidoidea) » Pteromalids (Pteromalidae)
This dark green chalcid wasp was collected from an arborvitae.
I'm not entirely sure which family it belongs to, but I think it resembles a Pteromalid.
www.bugguide.net /node/view/16933   (218 words)

  
 laboratoire PGE   (Site not responding. Last check: 2007-10-21)
DUPAS, S., CARTON, Y. and POIRIé, M 2003 The genetic dimension of the coevolution of virulence resistance in Drosophila - parasitoid wasp relationships.
BOIVIN S., KERDELHUé C., ROZENBERG M.A., CARIOU M.L. and ROQUES A. Characterization of microsatellite loci in a seed chalcid Megastigmus spermotrophus (Hymenoptera: Torymidae).
LABROSSE, C., CARTON, Y., DREZEN, J.M. and POIRIE, M. Active suppression of D. melanogaster immune response by long gland products of the parasitic wasp Leptopilina boulardi J.
www.pge.cnrs-gif.fr /articles/index.php?lang=fr   (832 words)

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