Hayat Badshah1*, Farman Ullah1, Abid Farid2, Ahmad-U-Rahman Saljoqi1, Sajjad Ahmad3
...parasitoid of the cotton mealybug) in the Laboratory, it is necessary to know the development capacity of the cotton mealybug, Phenacoccus solenopsis Tinsley (Sternorrhyncha: Pseudococcidae), on different host plants. Such studies would identify the best host plant for its efficient rearing. The present study investigated some basic life table parameters i.e. female life span, adult female weight, longevity and reproductive ...
Ai Ming Zhou1,2, Guang Wen Liang2, Ling Zeng2, Yong Yue Lu2 and Yi Juan Xu2*
...ephalum and the invasive mealybug Phenacoccus solenopsis (Hemiptera: Pseudococcidae) in the field. The results showed that fire ant invasion significantly suppressed honeydew exploitation by ghost ant. Fire ant suppression markedly increased the ghost ant foraging activity both on plants and the ground. Ant diversity in fire ant-infested plots was significantly reduced compared with in fire ant-free plots. Compared with in the no-ant plots, the colony growth r...
Marryam Bakhtawar1, Qamar Saeed1* and Naeem Iqbal2
...Lipaphis erysimi) cotton mealybug (Phenacoccus solenopsis), grain moth eggs (Sitotroga cerealella) and honey. Results revealed complete development of all larval stages on all diets with maximum survival of lady bird beetle larvae on mustard aphid (76.6%) followed by on grain moth’s eggs (20%), immature mealybugs (6%) and the least survival on honey. These findings can lead to the discovery of new artificial diets for ...
K.N. Ahmed and M.R. Hasan
Sudden outbreak of mealy bug and armoured scale causing severe damage to economic crops in Bangladesh
...ya, basil etc. by citrus mealybug, Planococcus citri (Risso) (Homoptera: Pseudococcidae) has been noticed in Bangladesh. It is mainly a pest of citrus and coffee crops but now it has become polyphagous in nature. Based on laboratory studies on immature and mature fruits of lady's finger; the total period of all four nymphal stages lasted for 32.6 ± 4.17 days at an average room temperature of 28 ± 2ºC and 70-75% RH during September, 2009. Mal...
K.N. Ahmed , M.A. Al-Helal, N-E-P. Khanom, S. Bulbul
Control strategies of papaya mealybug, Paracoccus marginatus Williams & Willink infesting vegetable crops in Bangladesh
...gn: justify;">The papaya mealybug, Paracoccus marginatus (Williams & Willink) colonize the ventral surface of the papaya leaves along the veins and later disperse to the unripe fruits rendering them unmarketable and inedible. The damage appeared to be in the range between 70 and 95 per cent. Generally young plants die due to heavy infestation and colony formation of the mealybug. P. marginatus is a polyphagous pest attac...
A. Regupathy and R. Ayyasamy
Initiatives of papain industry by private-public-farmer link-ages in classical biocontrol program for papaya mealybug in Tamil Nadu
...ught by the new invasive mealybug (PMB)-Paracoccus marginatus Williams and Granara de Willink) in 2006 caused major concern in papain production. The need for repeated application of insecticides and dearth of labour for application of insecticides made it difficult for the farmers to maintain the crop and forced many farmers to even abandon papaya crop cultivation altogether. Considering the drastic reduction in the wet latex supply, SPFP has taken up series ...
M. A. Al-Helal, K. N. Ahmed, N-E-P. Khanom, and S. Bulbul
Observations on papaya mealybug, Paracoccus marginatus Williams & Willink (Hemiptera : Pseudococcidae) damag-ing some crops in Bangladesh
...ign="justify">The papaya mealybug, Paracoccus marginatus Williams and Granara de Willink is a small Hemipteran insect belonging to the Family Pseudococcidae was recorded from immature, mature papaya fruits and foliages from BCSIR Vegetable Garden during March, 2011. It is a small polyphagous insect pest sucking saps from the attacking fruits and leaves. P. marginatus passes through egg and three nymphal stages to become adult. Generally, three and four nymphal...
Dipak Mandal, Paramita Bhowmik, Pronobesh Halder and M. L. Chatterjee
Determination of relative toxicity and base line data of dif-ferent insecticides against cotton mealybug (Phenacoccus solenopsis Tinsley)
... instar nymphs of cotton mealybug, Phenacoccus solenopsis in the Department of Agricultural Entomology, Bidhan Chandra Krishi Viswavidyalaya (BCKV), Mohanpur during 2012. Both treated food untreated insect and treated food treated insect methods were followed. The lowest LC50 values through treated food untreated insect method were recorded in chlorpyriphos 20 EC (226 ppm) and dichlorvos 75 EC (282 ppm) in treated food treated insect method, which was 8.89 and...
Muhammad Ashfaq,1 Shamim Akhtar,2 Saleem Akhtar2,* and Mariyam Masood2
...yperparasitism in cotton mealybug. Cotton mealybug, Phenacoccus solenopsis (Hemiptera: Pseudococcidae) is an invasive and major pest on cotton. Aenasius bambawalei (Hymenoptera: Encyrtidae) is an effective parasitoid of mealybug and has been the backbone of the biological control program of cotton mealybug in Pakistan, but its multiplicatio...
Hayat Badshah1, Farman Ullah1, Paul-André Calatayud2, Hidayat Ullah3 and Bashir Ahmad1
...parasitoid.
...
Muhammad S. Waqas, Ali A.Z. Shoaib, Xinlai Cheng, Qianqian Zhang, Asem S.S. Elabasy and Zu-hua Shi*
...st.
... 
Hafiz Abdul Ghafoor*, Muhammad Afzal, Muhammad Luqman and Muhammad Zeeshan Majeed
...an is the infestation of mealybug Drosicha mangiferae (Pseudococcidae: Hemiptera), a damaging insect pest of a large number of agricultural and horticultural crops in South East Asia. In spite of extensive applications of conventional synthetic pesticides, citrus farmers are unable to get rid of this pest. In order to find out alternate biorational pesticides, this laboratory study was carried out to evaluate few selected novel chemistry insecticidal formulati...
Hafiz Abdul Ghafoor*, Muhammad Afzal, Muhammad Asam Riaz and Muhammad Zeeshan Majeed
...zed Design. Mortality of mealybug individuals varied with plant materials and increased along with the extract concentration and exposure time. Botanical extracts of Azadirachta indica (neem) and Gardenia jasminoides (gardenia) were the most effective with minimum LC50 (20.00 and 42.19%, respectively) and LT50 (47.97 and 71.26 h, respectively) values followed by Nerium indicum (oleander). Moreover, the essential oils ...
Muhammad Ishaque Mastoi1*, Ibtasam Riaz2, Syed Muneeb Haider2, Arfan Ahmed Gilal3, Anjum Shehzad4, Ahmed Zia4 and Abdul Rauf Bhatti4
...n: justify;">Passionvine mealybug, Planococcus minor has caused severe losses to many important crops and vegetables. However, many natural enemies, particularly predators have demonstrated key influence on its population regulation. Thus, this laboratory study was conducted to evaluate feeding potential of two coccinellid predators i.e., Menochilous sexmaculata and Coccinella septempunctata on eggs and nymphs of P. minor. Results confirmed that both species o...
Hafiz Abdul Ghafoor1*, Muhammad Afzal1, Muhammad Luqman2, Muhammad Arshad Javed2, Syed Wasim Hasan3 and Muhammad Zeeshan Majeed1
...ents on the reduction of mealybug infestation (F9, 39 = 39.10, P < 0.001; HSD at α = 0.05) as compared to control plants. Results of 2nd experiment also clearly demonstrated a significant impact of different treatments on the mealybug infestation (F12, 103 = 58.75, P < 0.001; HSD at α = 0.05) as compared to control. At both 3 and 7 days post-treatment, maximum reduction of mealybug<...
Aly M. Abdel-Salam
...v>
Pseudococcidae- mealybug. Amplicons for the RT/RNaseH motifs of the two virus
isolates were cloned, sequenced, and submitted to the GenBanak. Pair-wise nucleotide
identity indicated 86% identity between the Giza and Assiut isolates. NCBI-blastn
analysis for the two isolates with four SCBV accessions retrieved from the GenBank
indicated identity range of 66-91%. Phylogenetic analysis based on amino acid
Muhammad Nasir1, Muhammad Usman Asif2*, Abdul Hayee Abid1, Qurat ul Ain Haneef1 and Muhammad Awais2
...study period followed by mealybug (6.71-11.79%), jassid (4.56-7.22%), thrips (1.36-6.22%), pink bollworm (0.99-5.42%) and armyworm (2.77-4.23%). The population of dusky cotton bug, spotted bollworm and American bollworm were negligible with 1.22% hot spots of dusky cotton bug and 0.02% of spotted bollworm during 2020. CLCuV hot spots ranged from 15.66-22.74% during 2018-2020. Correlation matrix revealed that population fluctuations of whitefly,
Nagarathinam Arunkumar*, Jainullabudeen Gulsar Banu, Nagarajan Gopalakrishnan and Arkalgud Hiriyannaiah Prakash
...rains isolated from four mealybug species infesting cotton were screened for lipase production. On the basis of the 16S rRNA gene sequences, lipase-positive strains were classified into six genera, namely, Pseudoxanthomonas, Acinetobacter, Klebsiella, Providencia, Enterobacter, and Serratia. Acinetobacter lwoffii PSAD2 and A. beijerinckii PSAD7isolatesshowed the maximum lipase production of 2.3 U/mL and 1...
Madiha Nawaz and Shoaib Freed
...ont-size: small;">Cotton mealybug, Phenacoccus solenopsis Tinsley is a destructive pest of cotton, ornamental plants and many other crops due to its polyphagous nature. A study was conducted to check the efficacy of different local isolates of entomopathogenic fungi on 2nd nymphal instar of P. solenopsis under laboratory conditions by immersion method. Three entomopathogenic fungi; Beauveria bassiana (isolates Bb-01, Bb-08), ...
Muhammad Zeeshan Majeed1*, Muhammad Irfan Ullah1, Dilbar Hussain2, Muhammad Luqman3, Muhammad Qasim1, Gulfam Yousaf1, Hamza Latif1 and Muhammad Zeeshan1
... insect pests i.e. mango mealybug (Drosicha mangiferae Green), mango leafhopper (Idioscopus clypealis Lethierry), Asian citrus psyllid (Diaphorina citri Kuwayama) and subterranean termites (Odontotermes obesus Rambur). Standard twig- and filter paper-dip bioassay methods were used against sap-feeding pests and termites, respectively. Factorial analyses of variance revealed a significant impact of tested insecticidal formulations and exposure time on the mortal...
Muhammad Rizwan, Abu Bakar Muhammad Raza, Muhammad Zeeshan Majeed*, Muhammad Arshad
...he average population of mealybug nymphs (9.92 individuals per branch) and adults (14.55 individuals per branch) was higher in Bhalwal as compared to Kotmomin and Sargodha. The maximum population of nymphs (31.93 individuals per branch) was observed during April and the adult population was maximum (34.86 individuals per branch) during May. The nymphs and adults were remained lower in January and February. A positive but non-significant (P > 0.05) correlati...
Mubasshir Sohail*, Qadeer Ahmed Soomro, Raza Muhammad, Muhammad Usman Asif and Imran Rauf
...cted in the gut of mango mealybug, (Drosicha stebbingi). Initially, cellulolytic activity was detected from crude proteins using substrate-agar plate assay and laterally confirmed by endoglucanase assay. Enzyme activity measured using the glucose standard curve was 725 U/ml after acetone precipitation. Thermal stability and optimum temperature were found to be 60°C for maximum activity. Likewise, enzyme was found more stable at 6.0 pH. Various mono and div...
Tooba Ather1, Muhammad Rafiq Shahid2*, Muhammad Ahsin Ayub3, Javed Iqbal2, Muhammad Asim Bhutta2, Muhammad Akram2, Naveeda Anjum4, Muhammad Rizwan6, Hafeezur Rehman5 and Umar Farooq5
...-align: justify;">Cotton mealybug (CMB), Pheanacoccus solenopsis is highly deleterious insect pests of agricultural crops. It is polyphagous by nature and can feed on diversity of host plants. Different concentrations of Pyriproxyfen and Buprofezin are Insect Growth Regulator (IGR) were bio-assayed against 3rd instar of CMBat Integrated Pest Management Laboratory, Department of Entomology, University of Agriculture, Faisalabad, during 2016. The results reveale...
Muhammad Rizwan, Abu Bakar Muhammad Raza*, Muhammad Zeeshan Majeed and Muhammad Arshad
...integrated management of mealybug would be the use of phytoextracts having insecticidal activity. The main objective of this study was to find out the toxic effect of various plant extracts against D. mangiferae. Three concentrations (i.e. 6.25, 12.5 and 25.0%) of leaf extracts of neem, Azadirachta indica A. Juss (Meliaceae), eucalyptus Eucalyptus camaldulensis Dehnh. (Myrtaceae), datura Datura stramonium L. (Solanaceae), batho Chenopodium album L. (Amaranthac...
Ahmed S.M.H. EL Roby
...(EPNs) against sugarcane mealybug Saccharococcus sacchari under laboratory conditions (27 ± 2 °C,
RH 65 ± 10%). The EPNs used in the study are Steinernema sp. (strain: AT4), Steinernema sp. (strain: EMB),
Heterorhabditis bacteriophora (strain: EKB20), Heterorhabditis sp. (strain: EIK) and Steinernema glasri (strain:
New Jersey). The bioassays were carried out on Petri dishes containing parts of pumpkin infe...
Muhammad Ayub1*, Syed Arif Husain Rizvi2, Ishtiaq Hussain3, Musa Ali Hashmi4, Iqbal Hussain5, Shahid Hussain1, Zakir Hussain1 and Rehmat Kabir6
... Bieb) were examined for mealybug population density trends and host preference. The findings indicated that implementing both soil racking and egg removal techniques resulted in a significant reduction (92.29%) in the population of mealybugs compared to the control trees. Furthermore, a maximum number of adult mealybugs (512) were recorded in Gunny bags wrapped on willow (S. wilhelmsiana ...
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