Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.)
Bees are potential pollinators of wide variety of crops. The European dark bee, Apis mellifera mellifera (L.) is widely used for crop pollination. However, pesticide usage in modern agriculture has threatened the plant-bee pollinator interaction. There is lack of data regarding lethal time, insectic...
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University of Belgrade, University of Novi Sad
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doaj-9488470abaa7493a8533fd445b0da0d02020-11-24T22:37:30ZengUniversity of Belgrade, University of Novi SadArchives of Biological Sciences0354-46641821-43392018-01-0170151210.2298/ABS170131020P0354-46641700020PToxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.)Pashte Vrushali Vijaykumar0Patil Chidanand Shivshankar1School of Natural Resources, Department of Rural Technology and Social Development, Guru Ghasidas Vishwavidyalaya, Koni, Bilaspur, Chhattisgarh, IndiaPost Graduate Institute, Department of Entomology, Pesticide Residue Laboratory, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar, Maharashtra, IndiaBees are potential pollinators of wide variety of crops. The European dark bee, Apis mellifera mellifera (L.) is widely used for crop pollination. However, pesticide usage in modern agriculture has threatened the plant-bee pollinator interaction. There is lack of data regarding lethal time, insecticide concentration and poisoning symptoms, especially for formulated insecticides that are widely used in insect management. This study shows that the intrinsic toxicity of insecticides (LC50) to A. mellifera mellifera (L.) was in the following order: imidacloprid (0.0070) > fipronil (0.0125) > indoxacarb (0.0266)> cypermethrin (0.0370) > dimethoate (0.0385). The lethal time (LT50) values (h) in the ascending order of toxicity of insecticides were as follows: fipronil (6.56), cypermethrin (6.69), dimethoate (8.00), imidacloprid (9.85) and indoxacarb (13.45). Distinct poisoning symptoms observed in A. mellifera mellifera were extended proboscis, expanded wings, unhooked wings, extended legs and twisted bodies, defecation on cage covers, sting in release-out position and anus with excreta. All the tested pesticides are harmful to the honey bee except azadirachtin. The tested pesticides exhibited different poisoning symptoms in bees, which could be useful for beekeepers in identifying the cause of colony mortality. In conclusion, the pesticide toxicological research on bees is an important safety aspect for beneficial organisms. This study reveals a realistic acute toxicity in the field of commonly used insecticides. The information is important for insecticide selection in order to minimize direct killing of foraging honey bees while maintaining effective management of crop pests.http://www.doiserbia.nb.rs/img/doi/0354-4664/2018/0354-46641700020P.pdfbioassayintrinsic toxicityLC50time mortalityApis mellifera mellifera L. |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Pashte Vrushali Vijaykumar Patil Chidanand Shivshankar |
spellingShingle |
Pashte Vrushali Vijaykumar Patil Chidanand Shivshankar Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) Archives of Biological Sciences bioassay intrinsic toxicity LC50 time mortality Apis mellifera mellifera L. |
author_facet |
Pashte Vrushali Vijaykumar Patil Chidanand Shivshankar |
author_sort |
Pashte Vrushali Vijaykumar |
title |
Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) |
title_short |
Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) |
title_full |
Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) |
title_fullStr |
Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) |
title_full_unstemmed |
Toxicity and poisoning symptoms of selected insecticides to honey bees (Apis mellifera mellifera L.) |
title_sort |
toxicity and poisoning symptoms of selected insecticides to honey bees (apis mellifera mellifera l.) |
publisher |
University of Belgrade, University of Novi Sad |
series |
Archives of Biological Sciences |
issn |
0354-4664 1821-4339 |
publishDate |
2018-01-01 |
description |
Bees are potential pollinators of wide variety of crops. The European dark bee, Apis mellifera mellifera (L.) is widely used for crop pollination. However, pesticide usage in modern agriculture has threatened the plant-bee pollinator interaction. There is lack of data regarding lethal time, insecticide concentration and poisoning symptoms, especially for formulated insecticides that are widely used in insect management. This study shows that the intrinsic toxicity of insecticides (LC50) to A. mellifera mellifera (L.) was in the following order: imidacloprid (0.0070) > fipronil (0.0125) > indoxacarb (0.0266)> cypermethrin (0.0370) > dimethoate (0.0385). The lethal time (LT50) values (h) in the ascending order of toxicity of insecticides were as follows: fipronil (6.56), cypermethrin (6.69), dimethoate (8.00), imidacloprid (9.85) and indoxacarb (13.45). Distinct poisoning symptoms observed in A. mellifera mellifera were extended proboscis, expanded wings, unhooked wings, extended legs and twisted bodies, defecation on cage covers, sting in release-out position and anus with excreta. All the tested pesticides are harmful to the honey bee except azadirachtin. The tested pesticides exhibited different poisoning symptoms in bees, which could be useful for beekeepers in identifying the cause of colony mortality. In conclusion, the pesticide toxicological research on bees is an important safety aspect for beneficial organisms. This study reveals a realistic acute toxicity in the field of commonly used insecticides. The information is important for insecticide selection in order to minimize direct killing of foraging honey bees while maintaining effective management of crop pests. |
topic |
bioassay intrinsic toxicity LC50 time mortality Apis mellifera mellifera L. |
url |
http://www.doiserbia.nb.rs/img/doi/0354-4664/2018/0354-46641700020P.pdf |
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