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Topic: Dobsonfly


In the News (Fri 17 Feb 12)

  
  Dobsonfly
The dobsonfly spends most of its life as a predaceous larva in streams.
In creating wings this time, I pulled out the individual layers radially in a way I haven't tried before.
(Note- most real dobsonfly males have jaws that are even larger than these)
chosetec.darkclan.net /origami/dobsonfly   (81 words)

  
  Dobsonfly - Wikipedia, the free encyclopedia
Dobsonflies have large, powerful jaws, and in the case of females, are capable of drawing blood from humans.
Though both male and female hellgrammites have short, sharp mandibles, those of the male dobsonfly are much bigger than the females' and are unable to harm humans, as they're so long and flexible that they are incapable of breaking the skin.
Both male and female dobsonflies can reach lengths up to five inches, measured from the tips of their pincers to the tips of their wings, which, when not in use, are folded along the length of their walkingstick-like bodies.
en.wikipedia.org /wiki/Dobsonfly   (416 words)

  
 Dobsonfly
The Dobsonfly's larvae (picture above) are called "hellgrammites." They spend most of their lives underwater in fast-moving parts of streams and rivers.
After the adult dobsonflies mate, the female lays eggs on a branch or on rocks near a stream.
Eastern Dobsonflies are often attracted to lights at night.
www.fcps.k12.va.us /StratfordLandingES/Ecology/mpages/dobsonfly.htm   (321 words)

  
 Dobsonfly
Dobsonfly, large (100-140 mm), soft-bodied freshwater insect of order Megaloptera, family Corydalidae; smaller forms are called fishflies.
Dobsonflies are primarily nocturnal; closely related ALDERFLIES are smaller and diurnal.
Dobsonflies deposit 2000-3000 dark brown eggs in rows forming large masses on objects near rapidly flowing water.
www.thecanadianencyclopedia.com /index.cfm?PgNm=TCE&Params=A1ARTA0002326   (179 words)

  
 Dobsonflies & Fishflies of Kentucky - University of Kentucky Entomology
Dobsonflies and Fishflies of Kentucky - University of Kentucky Entomology
Adult dobsonflies and fishflies are large and have 2 pairs of wings and chewing mouthparts.
Dobsonfly and fishfly larvae are fully aquatic and resemble wingless adults.
www.uky.edu /Ag/CritterFiles/casefile/insects/dobsonflies/dobsonflies.htm   (486 words)

  
 AllRefer.com - dobsonfly (Zoology: Invertebrates) - Encyclopedia
dobsonfly, common name for a group of insects of the order Megaloptera, found throughout E North America.
The closely related alderflies differ from the dobsonflies in their smaller size and diurnal habits.
Dobsonflies are classified in the phylum Arthropoda, class Insecta, order Neuroptera, family Corydalidae.
reference.allrefer.com /encyclopedia/D/dobsonfl.html   (211 words)

  
 Insects: Dobsonfly   (Site not responding. Last check: )
The dobsonfly is a large, soft-bodied, brownish insect that has a wingspan from 7 cm to 12 cm.
The dobsonfly is seldom found far from a stream or pond.
The cocoon is found in a cell or chamber under a log near the shore of the pond.
www.nibbleuniversity.com /websites/alienexplorer/ecology/p91.html   (383 words)

  
 Dobsonfly   (Site not responding. Last check: )
The Eastern Dobsonfly is a ferocious looking creature, both as an adult (especially the males) and as a larva.
The adult dobsonfly is about two inches long; however, there have been reports of dobsonflies being more than three inches long (including mandibles (pincers) about 10 cm).
The Dobsonfly's larvae are called "hellgrammites." They spend most of their lives underwater in fast-moving parts of streams and rivers.
wildflowers.jdcc.edu /Dobsonfly.html   (324 words)

  
 Corydalus   (Site not responding. Last check: )
This is in part due to their large size (forewing length up to 85 mm), but also to the ubiquity of the larvae in many lotic environments and their widespread occurrence (from southeastern Canada to southeastern Brazil and northern Argentina).
It is interesting that dobsonfly larvae obtain dissolved oxygen through abdominal lateral filaments and tracheal gills, but have also spiracles that allow them for direct intake of air.
Contreras-Ramos, A. Systematics of the dobsonfly genus Corydalus Latreille (Megaloptera: Corydalidae).
tolweb.org /tree?group=Corydalus&contgroup=Corydalinae   (2952 words)

  
 What's That Bug: Hellgramite
The Hellgrammite is the larval form of the equally fierce-looking, winged Dobsonfly.
Locally, the California Dobsonfly (Neohermes californicus) can be found near streams, generally at higher elevations, hence the frequent use of the larva as trout bait.
Dobsonflies are members of a primitive order of insects known as nerve-winged insects, which includes other oddities like the ant lion and lacewings.
www.whatsthatbug.com /hell.html   (2465 words)

  
 Breeding Biology of the Sunbittern (Eurypyga Helias) in Costa Rica   (Site not responding. Last check: )
Dobsonfly larvae accounted for 45% of the items, frogs and tadpoles 23%, and crabs 19%.
Rejected dobsonfly larvae were shaken vigorously for 1 or 2 min when being washed, which supports the idea that washing serves to remove dis- tasteful secretions.
To hunt for dobsonfly larvae, the birds walked slowly upstream in the water and stopped when they presumably saw a larva move under the water.
elibrary.unm.edu /sora/Auk/v106n03/p0503-p0507.html   (4230 words)

  
 dobsonfly - Search Results - MSN Encarta
Dobsonfly, common name for any member of a family of often large, stout-bodied, net-winged aquatic insects.
Neuroptera, widespread insect order containing about 4700 species, including the antlions, lacewings, and Dobsonflies.
Exclusively for MSN Encarta Premium Subscribers--quickly search thousands of articles from magazines such as Time, Newsweek, The Atlantic Monthly, and Smithsonian.
ca.encarta.msn.com /dobsonfly.html   (60 words)

  
 What's That Bug: Dobsonflies and Fishflies
We have been getting plenty of Dobsonfly photos lately and when they are in season, we always try to keep a photo on our homepage.
Dobsonflies are nerve winged insects of the order Neuroptera and are among the most primitive insects that undergo complete metamorphosis.
Dobsonflies are swarming in many parts of the country right now.
www.whatsthatbug.com /dobs.html   (5355 words)

  
 Home - Dobsonfly   (Site not responding. Last check: )
The dobsonfly, Corydalus cornutus, is a two-inch long, dark-colored insect of North and Central America, that spends most of its life in its larval stage.
The larvae are called hellgrammites, live under rocks at the bottoms of lakes, and prey on other insect larvae.
Dobsonflies have large, powerful jaws, strong enough even to draw blood from humans.
dobsonfly.ru.infoax.org   (6556 words)

  
 Digimorph - Corydalus cornutus (Dobsonfly)
Each slice is 0.082 mm thick, with an interslice spacing of 0.082 mm and a field of reconstruction of 30 mm.
Contreras-Ramos, A. Systematics of the dobsonfly genus Corydalus (Megaloptera: Corydalidae).
Seasonal flight pattern of the dobsonfly, Corydalus cornutus (Linn.) in northwest Arkansas.
www.digimorph.org /specimens/Corydalus_cornutus/whole   (435 words)

  
 Dobsonfly lives only a few days as adult - The Michigan Sportsman Forums
With pincers nearly as long as its three-inch body and a wingspan of almost five inches, the male dobsonfly can be a scary sight on a window screen or at a porch light or lantern.
Many will know the dobsonfly from its larval form, the hellgrammite, a dark reddish-brown to fl, three-inch, grub-like critter with its own fearsome pincers that has drawn its share of blood from anglers using the insect as fishing bait.
The female dobsonfly lays her eggs in the water, where her larvae will spend the next few years.
www.michigan-sportsman.com /forum/showthread.php?t=106909   (644 words)

  
 Dobsonfly Design | What Is A Dobsonfly?
Probably the most frequent questions we get are what is a dobsonfly and why did you name yourselves that.
A dobsonfly is a very large insect (right)...one of America's largest at 4"-5" long in it's adult state.
Apparently dobsonflies are an "indicator" species...only surviving in very clean environments.
www.dobsonfly.com /WhatIsADobsonfly.html   (310 words)

  
 [No title]   (Site not responding. Last check: )
Dobsonfly larvae are often found clinging to rocks in the more swift areas of the riffle.
The appendages on the rear section of this organism are called "lateral appendages" and should not be mistaken for legs.
If you find a dobsonfly larva in your seine, grasp it directly behind the head to pick it up.
www.state.ky.us /nrepc/water/dobfly.htm   (112 words)

  
 Insects: The Fishfly   (Site not responding. Last check: )
The wings of the fishflies are clear and somewhat transparent like those of a common fly or they have fl or grey areas in them.
Like the dobsonfly, the larvae of the fishfly have six short, jointed legs behind the head and seven pair of filaments held out beside a long, segmented abdomen.
Like the dobsonfly, the fishfly is an important food for fish.
www.nibbleuniversity.com /websites/alienexplorer/ecology/p90.html   (391 words)

  
 Dobsonfly
At present, this megalopteran dobsonfly is the only Neuropteran record in the Entophiles database.
Although the dobsonfly spends several years as a larval hellgrammite, the adult enjoys only a brief couple of days as a terrestrial adult.
The larvae has eight pairs of external gill filaments and will pupate in a mud cell close to the water prior to becoming an adult.
insects.org /entophiles/neuroptera/neur_001.html   (103 words)

  
 Home main page
The Dobsonfly forum on the Norwich Darkside website will close at the end of the month.
A Dobsonfly Video CD will be released on Monday May 24th.
Dobsonfly's debut 4 track E.P. will be released in exactly one month.
www.uproar-recordings.co.uk /home/index.php?flash=   (214 words)

  
 SMART ANGLER'S NOTEBOOK: DOBSONFLY
Dobsonflies belong to the order of insects called Megaloptera.
The fierce-looking, winged dobsonfly has a life cycle that lasts two to five years.
Most dobsonflies in Pennsylvania emerge in spring and summer.
sites.state.pa.us /PA_Exec/Fish_Boat/anglerboater/2000/janfeb2000/dobsonfy.htm   (518 words)

  
 Untitled Document   (Site not responding. Last check: )
When pressures from outside start to impinge on the enjoyment of being in a band, when tempers start to fray when they shouldn’t, when rehearsing old songs and learning new ones starts to become more of a chore than a joy, it’s time to stop.
Dobsonfly decided to pack it in before it stopped being fun any more, and before friendships were stretched to breaking point.
Dobsonfly may go into the studio one more time and record some of their newer material.
www.dobsonfly.co.uk /statement.htm   (275 words)

  
 Frequently asked questions at CCE - Some Aquatic Insects   (Site not responding. Last check: )
The most spectacular of these insects is the dobsonfly, Corydalus cornutus.
This is the largest species of dobsonfly found in New York, having a wing spread of 4 to 5 inches.
It is usually found near water, but at night it may be attracted some distance to bright lights.
www.entomology.cornell.edu /Extension/DiagnosticLab/IDLFS/AquaticInsects/AquaticInsects.html   (849 words)

  
 Corydalus "Dobsonfly"   (Site not responding. Last check: )
They are found in many temperate regions, with the exception of Europe, neighboring Asia, and nearly all of Africa.
The dobsonfly is the adult form of the common aquatic immature called a hellgrammite.
Hellgrammites, the larval stage of dobsonflies, occur under stones in non-polluted, fast-moving, well-oxygenated streams.
entweb.clemson.edu /museum/misc/aqua/aqua35.htm   (587 words)

  
 Insects Need Riparian Zones
The insect pictured at left is the dobsonfly Corydalus, found through the eastern United States.
The dobsonfly is the adult of the aquatic insect larvae commonly known as the hellgrammite.
Dobsonfly adults primarily lay their eggs on leaves or branches overhanging the water, and will also use bridge abutments.
www.nanfa.org /education/carillio/insects.htm   (624 words)

  
 Commonwealth of Kentucky Web Server - beetle   (Site not responding. Last check: )
Beetle larvae look somewhat similar to dobsonfly larvae, but are generally smaller, lighter in color and more slender and tapered than the dobsonfly larvae.
Often the head is darker in color than the rest of the body.
The appendages on the back section (abdomen) of this organism, if present, are called "lateral appendages" and should not be mistaken for legs.
www.state.ky.us /nrepc/water/beetle.htm   (96 words)

  
 Dobsonfly
Description: Dobsonflies are large (can be over 2 inches long), and have long antennae.
Alderflies (Neuroptera: Sialidae) are similar to dobsonflies but smaller.
Larvae of alderflies differ from hellgrammites in that they lack the two hooks at the end of the abdomen.
insects.tamu.edu /fieldguide/bimg121.html   (233 words)

  
 EPA - Benthic Macroinvertebrates - Dobsonflies
Larvae: often called hellgrammites, possess two large mandibles; several filaments are located along the sides of the abdomen; one pair of short tail filaments used for grasping; color brownish to fl with a large dark "plate" behind base of head; six legs; length up to 3 inches.
Indicator Role: dobsonfly larvae are considered fairly intolerant to pollution
Dobsonfly larvae from the Kentucky Biological Stream Assessment Water Watch Biological Monitoring Procedures
www.epa.gov /bioindicators/html/dobsonflies.html   (201 words)

  
 Galleries-Beneficial-dobsonfly.
Associated with streams which is where the immature dobsonfly (known as a hellgrammite) is found.
Adults are attracted to lights and can be found a distance from water.
The female could pinch with her mandibles if mishandled but it is doubtful she can break the skin.
www.extension.umn.edu /projects/yardandgarden/EntWeb/galleries/outdoor/beneficial/dobsonfly.html   (105 words)

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