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Stephen L. Peele (Fmrc)
Senior Member
Username: Fmrc

Post Number: 264
Registered: 10-2002
Posted on Saturday, August 21, 2004 - 10:01 pm:Edit Post Quote Text Delete Post Print Post Move Post (Moderator/Admin Only)

The following article will appear in the #64 "THE MUSHROOM JOURNAL", The
Journal Of Mushroom Cultivation (TMC) October 2004. For FREE Download of
the current #63 TMC Journal July 2004, go to www.mushroomsfmrc.com and then
click "TMC Journals". For FREE Download of "TEONANACATL", The International
Journal Of Psychoactive Mushrooms (TEO), current Issue, click "TEO Journals".
BIOLOGICAL CONTROL OF MUSHROOM FLIES
Author(s): Richardson P.N.
Year: 1987
Title: Susceptibility of mushroom pests to the insect-parasitic nematodes
Steinernema feltiae and Heterorhabditis heliothidis
Citation: Annals of Applied Biology. 111:-(2) 433-438. .
Abstract:
The potential of 2 species of entomophilic nematodes (Steinernema feltiae
[Neoaplectana carpocapsae] and Heterorhabditis heliothidis) for
biological control of mushroom flies was studied in pot trials. Three
Diptera that commonly infest mushroom (Agaricus bisporus) crops were
used; the larvae of the phorid Megaselia halterata, the cecidomyiid
Heteropeza pygmaea and the sciarid Lycoriella auripila were all
susceptible to parasitism by both nematode species. Fewer adult phorids
and sciarids emerged when compost was nematode-treated and, for L.
auripila, the effects of nematode applications at spawning, casing or on
both occasions were compared. Casing treatments were more effective than
spawning treatments; little extra benefit was gained from applying the
nematodes twice. Populations of paedogenetic larvae of H. pygmaea built
up rapidly in untreated compost but were reduced when N. carpocapsae was
applied, and were eradicated by H. heliothidis. Because they can
penetrate insect cuticle, as well as natural body openings, it is
suggested that Heterorhabditis spp. may be more suitable than
Neoaplectana spp. for the control of mushroom fly larvae.
__________________________________________________ _________________
DIPTERA
True Flies / Mosquitoes / Gnats / Midges
The name Diptera, derived from the Greek words "di" meaning two and
"ptera" meaning wings, refers to the fact that true flies have only a
single pair of wings. slp/fmrc

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