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Predation Research of Cryptolaemus montrouzieri on Four Species of Mealybugs
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Shumei YANG1, 2, Chunyan WANG1, Yueqing ZHANG1, 2, Zhengpei YE2, Junyu CHEN2, Jianyun WANG2, Junhong ZHU1, *, Fangping ZHANG2, *
Chinese Journal of Tropical Crops | 2024, 45(9) : 1912 - 1918
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Chinese Journal of Tropical Crops | 2024, 45(9): 1912-1918
• Plant Protection & Bio-safety •
Predation Research of Cryptolaemus montrouzieri on Four Species of Mealybugs
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Shumei YANG1, 2, Chunyan WANG1, Yueqing ZHANG1, 2, Zhengpei YE2, Junyu CHEN2, Jianyun WANG2, Junhong ZHU1, *, Fangping ZHANG2, *
Affiliations
  • 1.College of Tropical Agriculture and Forestry, Hainan University / Key Laboratory of Green Prevention and Control of Tropical Agricultural and Forestry Biological Disasters, Ministry of Education, Haikou, Hainan 570228, China
  • 2.Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences / Hainan Provincial Engineering and Technology Research Center for Biological Control of Tropical Crop Pests / Key Laboratory of Integrated Pest Management for Tropical Crops, Agricultural and Rural Affairs Ministry / Provincial Engineering Research Center for the Breeding and Industrialization of Natural Enemies, Hainan / Provincial Key Laboratory for Monitoring and Control of Harmful Organisms in Tropical Agriculture, Haikou, Hainan 571101, China
Published: 2024-09-25 doi: 10.3969/j.issn.1000-2561.2024.09.016
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The present study assessed the control efficiency of a predator, Cryptolaemus montrouzieri (Mulsant), on four mealybugs damaging tropical crops, including Paracoccus marginatus (Williams & Granara de Willink), Planococcus minor (Maskell), Planococcus citri (Risso), and Dysmicoccus neobrevipes (Beardsley). The daily predation of the 1st-4th instar larvae and adult C. montrouzieri on the 1st-3rd instar nymphs and adults of the four mealybug species, was observed indoors. The adult and high-age larvae of C. montrouzieri exhibited a high predation rate on the early instar nymphs of the four mealybug species. Notably, the predation rates were significantly higher on P. minor and P. marginatus compared to P. citri and D. neobrevipes. The first instar nymphs of C. montrouzieri did not prey on the adult and third instar nymphs of the four mealybug species, while the second instar nymphs lacked the ability to prey on mealybug adults. The predation ability of C. montrouzieri was ranked as follows: adults>fourth instar larvae>third instar larvae>second instar larvae>first instar larvae. Correspondingly, for the same instar of the ladybird, the predation rate on mealybugs of different instars followed the order: first instar nymphs>second instar nymphs>third instar nymphs>adults. In conclusion, C. montrouzieri demonstrates strong control capabilities on the four mealybugs damaging tropical crops.

Cryptolaemus montrouzieri  /  Paracoccus marginatus  /  Pseudococcus minor  /  Planococcus citri  /  Dysmicoccus neobrevipes  /  predatory ability
Shumei YANG, Chunyan WANG, Yueqing ZHANG, Zhengpei YE, Junyu CHEN, Jianyun WANG, Junhong ZHU, Fangping ZHANG. Predation Research of Cryptolaemus montrouzieri on Four Species of Mealybugs[J]. Chinese Journal of Tropical Crops, 2024 , 45 (9) : 1912 -1918 . DOI: 10.3969/j.issn.1000-2561.2024.09.016
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Year 2024 volume 45 Issue 9
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Article Info
doi: 10.3969/j.issn.1000-2561.2024.09.016
  • Receive Date：2023-12-12
  • Online Date：2026-06-23
  • Published：2024-09-25
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  • Received：2023-12-12
  • Revised：2024-01-26
Funding
Affiliations
    1.College of Tropical Agriculture and Forestry, Hainan University / Key Laboratory of Green Prevention and Control of Tropical Agricultural and Forestry Biological Disasters, Ministry of Education, Haikou, Hainan 570228, China
    2.Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences / Hainan Provincial Engineering and Technology Research Center for Biological Control of Tropical Crop Pests / Key Laboratory of Integrated Pest Management for Tropical Crops, Agricultural and Rural Affairs Ministry / Provincial Engineering Research Center for the Breeding and Industrialization of Natural Enemies, Hainan / Provincial Key Laboratory for Monitoring and Control of Harmful Organisms in Tropical Agriculture, Haikou, Hainan 571101, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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