THE EGYPTIAN ALFALFA WEEVIL Hypera brunneipennis (BOHEMAN) AS INSECT PEST INFESTING SOME LEGUMINOUS CROPS.

Awadalla, S. S.; Abd-Allah, F.F.; El-Serafi, Hala; Badawy, Walaa B. F.

doi:10.21608/jppp.2014.87965

Cited by 3 publications

(7 citation statements)

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“…The EAW, Hypera brunneipennis, damages many parts of the alfalfa plant. 11 Weeds are a suitable host for insect pests and compete with plants for nutrient absorption; thus, weed removal reduces the population of the EAW, Hypera brunneipennis. 12 Calcium super phosphate, potassium sulphate and microelements spraying play an important role in nutrition of the plants.…”

Section: Discussionmentioning

confidence: 99%

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Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt

Kandil

Abdelrahem

Mohsena

2023

Pest Management Science

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BACKGROUND: The Egyptian alfalfa weevil, Hypera brunneipennis causes damage on different parts of alfalfa plants. Therefore, four agricultural treatments are carried out included calcium super phosphate addition (15.5% P 2 O 5 ), potassium sulphate addition (50% K 2 O), microelements spraying and hand removing of weeds to reduce the population of the Egyptian alfalfa weevil and increase both the final yield and obtain a healthy plant. RESULTS:The treatment of calcium super phosphate (15.5% P 2 O 5 ), potassium sulphate (50% K 2 O), microelements spraying and hand removing of weeds gave less infestation of Egyptian alfalfa weevil [4.38 and 4.89 (larvae and adults/m 2 )] and the highest total fresh (70.08 and 74.52 ton/feddan), dry yield (19.37 and 19.70 ton/feddan) and plant height yield (60.00 and 61. 17 cm) in first and second seasons, respectively, with significant differences compared with the other treatments and the untreated check. Also, the same treatment gave the highest net benefit over untreated check 29.06 and 31.93 (thousand L.E./feddan) and net benefit/costs ratio/feddan (1.77 and 2.22) in first and second seasons, respectively. CONCLUSIONS: Good agricultural treatments of calcium super phosphate addition (15.5% P 2 O 5 ), potassium sulphate addition (50% K 2 O), microelements spraying and hand removing of weeds play an important role in obtaining a healthy plant, reducing Egyptian alfalfa weevil infestation, and increasing total fresh yield, total dry yield, and plant height of alfalfa.

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Section: Discussionmentioning

confidence: 99%

“…The EAW, Hypera brunneipennis , damages many parts of the alfalfa plant 11 . Weeds are a suitable host for insect pests and compete with plants for nutrient absorption; thus, weed removal reduces the population of the EAW, Hypera brunneipennis 12 .…”

Section: Discussionmentioning

confidence: 99%

Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt

Kandil

Abdelrahem

Mohsena

2023

Pest Management Science

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“…The Egyptian alfalfa weevil (EAW), Hypera brunneipennis (Boheman) (Col.: Curculionidae), is considered one of the most damaging economic insect pests attacking the Egyptian clover, Trifolium alexandrinum L., and alfalfa, Medicago sativa L., in Egypt. Population abundance of EAW in clover fields of Egypt was reported by different authors, and it was present all over the season beginning from December to May (El Sherif et al 1978;El-Mezayyen 2001;El-Mezayyen 2003;Rakha 2008, andAwadalla et al 2014). The larvae and adults of the weevil are feeding on the foliage of alfalfa and clover, but the larvae cause more damage.…”

Section: Introductionmentioning

confidence: 87%

“…This pest is found in all alfalfa-producing areas worldwide (Cook et al 2004;Atanasova 2012). Leguminous crops are its host plants (Summers et al 1975;Al-Azawi et al 1986;Fouad et al 2012;Awadalla et al 2014). The EAW generally has one generation per year in South Europe and North America.…”

Section: Introductionmentioning

confidence: 99%

Management of the Egyptian alfalfa weevil, Hypera brunneipennis (Boheman) (Coleoptera: Curculionidae), in the alfalfa, Medicago sativa L., using the entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin

Husseini

2019

Egypt J Biol Pest Control

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Larval and adult populations of the Egyptian alfalfa weevil (EAW) Hypera brunneipennis (Boheman) (Coleoptera: Curculionidae) was monitored after application of the entomopathogenic fungus Beauveria bassiana in the alfalfa field (Medicago sativa L.) in two successive seasons 2014/2015 and 2015/2016. The second and last generation of the weevil on April 10, 2016, was controlled by only one application with the conidiospores of the entomopathogenic fungus B. bassiana (3 × 10 8 spores/ml). Accordingly, the larval population decreased from 16.07 ± 1.09 in season 2015/ 2016 to 7.37 ± 0.05 individuals/50 sweep net double strokes in season 2016/2017. Also, the adult weevil's population decreased from 5.66 ± 0.8 to 2.55 ± 0.6 individuals/50 sweep net double strokes in the two seasons, respectively. 39.66% mortality rate was recorded in the Hypera brunneipennis adults aestivated under loose bark of the surrounding eucalyptus trees, which received the application of B. bassiana in the field. Another application with the fungus, targeting the second generation of the pest adults in alfalfa each season, will undoubtedly lead to a further decrease in the pest population.

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“…The initiation of infestation appears at fields adjacent to eucalyptus and date palm trees (adult weevil aestivating sites) (El-Husseini 2019). Leguminous crops are its host plants (Awad et al 2012 andAwadalla et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Parasitoids and Predators of Egyptian Alfalfa Weevil Hypera brunnipennis (Boheman) at Kafr El-Sheik and Gharbia Regions

shenishen,

Elhawary,

Hendawey

2023

Journal of Plant Protection and Pathology

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The Egyptian clover, Trifolium alexandrim L. occupies about three million feddans (1,260,000 hectares) of winter cultivated acreage the Arab Republic of Egypt (ARE). Farther, it acts as the major fodder crop and a soil reclaiming agent. The Egyptian alfalfa weevil (EAW), Hypera brunnipennis (Boheman) (Coleptera: Curculionidae) is a damaging insect pest species to this important crop. Population fluctuations of both larvae and adults of EAW were monitored during 2019/2020 and 2020/2021 clover growing seasons at Sakha location (Kafr El-Sheikh) and Segeen El-Kom regions (Gharbia governorate). At each location, 3-4 peaks of the insect population densities were recorded annually. The parasitoids, emerging from EAW were identified, collected and their seasonal densities were recorded from the host adults. From the host adults, Microctonus sp (Hymenoptera: Braconidae) was recorded, while Bathyplectes curculionis (Hymenoptera: Ichneumonidae) emerged from the host larvae. Parasitism of H. brunnipennis adults ranged between 0.99 and 1.72%, while that of the host larvae ranged between 0.89 and 4.64%. The correlations between the number of host and number of parasitoid were highly significant positive (0.686-0.950) in case of adults and 0.739-0.949 in case of larvae. Two major predators were observed as related to larvae and adults of Hypera brunnipennis; Chrysoperla carnea Stepheus and spiders. Also, highly significant positive correlations were found between the number of H. brunnipennis larvae and each of Ch. Carnea larvae (0.680-0.860) as well as spider complex (0.730-0.860).

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THE EGYPTIAN ALFALFA WEEVIL Hypera brunneipennis (BOHEMAN) AS INSECT PEST INFESTING SOME LEGUMINOUS CROPS.

Cited by 3 publications

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Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt

Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt

Management of the Egyptian alfalfa weevil, Hypera brunneipennis (Boheman) (Coleoptera: Curculionidae), in the alfalfa, Medicago sativa L., using the entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin

Parasitoids and Predators of Egyptian Alfalfa Weevil Hypera brunnipennis (Boheman) at Kafr El-Sheik and Gharbia Regions

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