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Effect of temperature on cannibalism rate between green lacewings larvae (Chrysoperla carnea [Stephens], Neuroptera, Chrysopidae)
ID Rojht, Helena (Author), ID Budija, Franc (Author), ID Trdan, Stanislav (Author)

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PID: 20.500.12556/rul/f50e320d-496f-4b7b-ac72-db3465db74a4
URLURL - Presentation file, Visit http://dx.doi.org/10.2478/v10014-009-0001-5 This link opens in a new window

Abstract
Paper presents a larval cannibalism of green lacewings (Chrysoperla carnea ), which was observed during the laboratory bioassay on non-target effect of entomopathogenic nematodes against green lacewings larvae. The most probable reason for larval cannibalism were undersized Petri dishes in which the bioassay was performed. Due to large number of larvae per surface unit, frequent crossing of green lacewings larvae appeared and this consequently lead to cannibalism. In most cases larger, elder larv ae consumed smaller, younger larvae. Cannibalism increased with temperature rise and was the most intensive at 25 °C. At this temperature the larval mortality was 22.0 % after two days, while after four days the larval mortality reached 31.0 %

Language:English
Keywords:neuroptera, pest insects, pest control, feeding habits, nematodes, biological control, environmental factors, population density, mortality
Work type:Not categorized (r6)
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2009
Publisher:Biotehniška fakulteta
Number of pages:Str. 5-9
Numbering:Let. 93, Št. 1
PID:20.500.12556/RUL-56748 This link opens in a new window
UDC:632
ISSN on article:1581-9175
COBISS.SI-ID:6021753 This link opens in a new window
Publication date in RUL:10.07.2015
Views:1325
Downloads:341
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Record is a part of a journal

Title:Acta agriculturae Slovenica
Shortened title:Acta agric. Slov.
Publisher:Biotehniška fakulteta
ISSN:1581-9175
COBISS.SI-ID:213840640 This link opens in a new window

Secondary language

Language:Slovenian
Title:Vpliv temperature na stopnjo kanibalizma med ličinkami navadne tenčičarice (Chrysoperla carnea Stephens, Neuroptera, Chrysopidae)
Abstract:
V prispevku je predstavljen kanibalizem med ličinkami navadne tenčičarice (Chrysoperla carnea), ki se je pojavil pri laboratorijskem preučevanju neciljnega delovanja entomopatogenih ogorčic na ličinke omenjenega naravnega sovražnika. Najverjetnejši vzrok za pojav kanibalizma so bile premajhne petrijevke, v katerih je potekal poskus. Zaradi velikega števila ličink navadne tenčičarice na enoto površine, je prišlo do pogostega srečevanja ličink in posledično do kanibalizma. V večini primerov so ličinke višjega larvalnega stadija pojedle manjše ličinke. Kanibalizem se je povečeval z višanjem temperature in je bil najbolj intenziven pri 25 °C, kjer je bila smrtnost ličink dva dni po začetku poskusa 22,0 %, po štirih dneh pa 31,0 %.

Keywords:temperatura, okoljski dejavniki, kanibalizem, navadna tenčičarica, laboratorijski poskus, entomopatogene ogorčice, biotično varstvo rastlin

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