Comparing Effects of Insecticides on Two Green Lacewings Species, <I>Chrysoperla johnsoni</I> and <I>Chrysoperla carnea</I> (Neuroptera: Chrysopidae)

Green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae) is the most effective polyphagous predator of different species of aphids and is commonly known as “aphid lion” . The experiment on feeding efficiency of green lacewing was studied in the laboratory of Entomology Division, NARC, Khumaltar, Lalitpur, Nepal from 21st , December 2015 to 26th, March 2016. The known number of predatory larva of green lacewings were fed with known number of seven different species of live aphid and frozen Corcyra eggs representing each treatment. The treatments were replicated four times. The predatory efficiency was calculated by counting the number of consumed host per day. The result revealed that the predatory efficiency of C. carnea larvae were increased from first to third instar and third instar were more voracious as compare to first two instars. It consumed significantly the highest rice moth, Corcyra cephalonica followed by Aphis craccivora and others aphid species, respectively. From this experiment, it is evident that the green lacewing is potent bio-agent against different aphid species and hence further research is required simultaneously in the farmer’s field conditions.Int. J. Appl. Sci. Biotechnol. Vol 5(1): 37-41

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Effect of Different Hosts on Developmental Characteristics of Green Lacewings Chrysoperla carnea (Stephens)

Journal of Pure and Applied Microbiology ◽

10.22207/jpam.10.4.87 ◽

2016 ◽

Vol 10 (4) ◽

pp. 3117-3121

Author(s):

Richa Kumari ◽

Akash Nikoshe

Keyword(s):

Chrysoperla Carnea ◽

Green Lacewings ◽

Developmental Characteristics

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Metschnikowia chrysoperlae sp. nov., Candida picachoensis sp. nov. and Candida pimensis sp. nov., isolated from the green lacewings Chrysoperla comanche and Chrysoperla carnea (Neuroptera: Chrysopidae)

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ◽

10.1099/ijs.0.63152-0 ◽

2004 ◽

Vol 54 (5) ◽

pp. 1883-1890 ◽

Cited By ~ 49

Author(s):

Sung-Oui Suh ◽

Cara M. Gibson ◽

Meredith Blackwell

Keyword(s):

Molecular Phylogeny ◽

Dna Sequences ◽

Sequence Comparison ◽

Type Strain ◽

Novel Species ◽

The Other ◽

Chrysoperla Carnea ◽

Rrna Gene ◽

Green Lacewings ◽

Large Numbers

Fourteen yeast isolates comprising three taxa were cultured from digestive tracts of adult Chrysoperla species (Neuroptera: Chrysopidae) and their eggs. The yeast taxa were distinguished based on an estimated molecular phylogeny, DNA sequences and traditional taxonomic criteria. The new yeasts are closely related to Metschnikowia pulcherrima but are sufficiently distinguished by sequence comparison of rRNA gene sequences to consider them as novel species. Here, three novel species are described and their relationships with other taxa in the Saccharomycetes are discussed. Metschnikowia chrysoperlae sp. nov. (type strain, NRRL Y-27615T=CBS 9803T) produced needle-shaped ascospores and was the only teleomorph found. Large numbers of chlamydospores similar to those observed in M. pulcherrima were also produced. The other two novel species are asexual yeasts, Candida picachoensis sp. nov. (type strain, NRRL Y-27607T=CBS 9804T) and Candida pimensis sp. nov. (type strain, NRRL Y-27619T=CBS 9805T), sister taxa of M. chrysoperlae and M. pulcherrima. A specialized relationship between yeasts and lacewing hosts may exist, because the yeasts were isolated consistently from lacewings only. Although M. chrysoperlae was isolated from eggs and adult lacewings, suggesting the possibility of vertical transmission, no yeast was isolated from larvae.

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Evaluation of Green Lacewings for Suppressing Azalea Lace Bug Populations in Nurseries

Journal of Environmental Horticulture ◽

10.24266/0738-2898-18.4.207 ◽

2000 ◽

Vol 18 (4) ◽

pp. 207-211 ◽

Cited By ~ 1

Author(s):

Paula M. Shrewsbury ◽

Deborah C. Smith-Fiola

Keyword(s):

Release Rate ◽

Chrysoperla Carnea ◽

Green Lacewing ◽

Alternative Control ◽

Lace Bug ◽

Greenhouse Study ◽

Green Lacewings ◽

Lace Bugs ◽

Percent Mortality ◽

Augmentative Release

Abstract Greenhouse and nursery studies were conducted to determine an optimal release rate and efficacy of green lacewing (glw) larvae, Chrysoperla carnea (Stephens), for suppression of azalea lace bug (alb), Stephanitis pyrioides (Scott). In a greenhouse study, different densities of lace bugs (40 or 80 per plant) did not influence the percent mortality caused by green lacewings. However, greater numbers of green lacewing larvae released resulted in higher lace bug mortality (5 and 20 glw per plant resulted in an average lace bug mortality of 79% and 97%, respectively). Lacewing larvae released in a production nursery, at rates of 5/plant and 10/plant, and acephate (Orthene) significantly reduced lace bug populations, with green lacewings at 10/plant and acephate reducing lace bug densities more than green lacewings at 5/plant. In a second nursery trial, lacewing larvae released into production blocks of azaleas resulted in a 97% reduction in lace bugs. These studies suggest that augmentative release of green lacewing larvae may provide an alternative control tactic that can be integrated into lace bug pest management programs.

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