Temperature-dependent functional response of Aenasius bambawalei (Hymenoptera: Encyrtidae) to different population densities of the cotton mealybug Phenacoccus solenopsis (Hemiptera: Pseudococcidae)

Joodaki, Razieh; Zandi-Sohani, Nooshin; Zarghami, Sara; Yarahmadi, Fatemeh

doi:10.14411/eje.2018.032

Cited by 12 publications

(15 citation statements)

References 29 publications

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“…Hasil studi menunjukkan bahwa parasitoid A. lopezi memperlihatkan tanggap fungsional tipe III terhadap peningkatan kerapatan kutu putih P. manihoti. Hasil yang sama dilaporkan oleh Sagarra et al (2000a) (Feng et al 2014;Joodaki et al 2018). Berbagai studi tanggap fungsional parasitoid menunjukkan bahwa lebih dari tiga perempatnya memperlihatkan tanggap fungsional tipe II, sedangkan seperlimanya memperlihatkan tipe III (Fernandez-Arhex & Corley 2003).…”

Section: Pembahasanunclassified

Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong

2020

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Parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) diintroduksikan dari Thailand ke Indonesia pada tahun 2014 untuk mengendalikan hama asing invasif, kutu putih singkong Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). Penelitian dilakukan di laboratorium dengan tujuan untuk mengetahui potensi reproduksi, pengaruh pemberian larutan madu terhadap masa hidup imago, mempelajari keperidian, progeni, dan respons A. lopezi terhadap peningkatan kerapatan inang. Penelitian dilaksanakan dengan memajankan nimfa instar-3 kutu putih pada parasitoid. Pengaruh perlakuan pakan madu terhadap masa hidup imago parasitoid dilakukan pada kondisi tanpa inang. Keperidian diukur berdasarkan banyaknya mumi yang terbentuk. Hasil penelitian menunjukkan betina hidup selama 3,7 hari dan jantan 3,2 hari bila hanya tersedia air. Masa hidup imago parasitoid berlangsung lebih lama bila tersedia madu. Parasitoid yang diberi larutan madu 50% mampu hidup 6–9 kali lipat lebih lama dibandingkan dengan yang hanya diberi air. Selama hidupnya imago betina A. lopezi memarasit 96–287 kutu putih, dengan rataan 203,7 atau tingkat parasitisasi 34,6%, serta 24,86% mengalami kematian karena kegiatan pengisapan inang. Masa perkembangan pradewasa dari telur hingga imago muncul berlangsung 17,97 dan 17,67 hari, berturut-turut untuk jantan dan betina. Rataan progeni per induk adalah 88,8 individu, dengan 56,9% berjenis kelamin betina. Pada kerapatan inang 2–100 individu, parasitoid A. lopezi memperlihatkan tanggap fungsional tipe III.

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Section: Pembahasanunclassified

Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong

2020

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“…The type II functional response is the characteristics of many parasitoids, though the type III functional response has also been reported (Fernandez-Arhex and Corley 2003;Tazerouni et al 2019). The functional response of Aenasius bambawalei Hayat (Hymenoptera: Encyrtidae) to different densities of Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) has been determined to be of type II (Feng et al 2014;Joodaki et al 2018). Also, type II functional response has been reported for other parasitoids, such as Praon volucre (Haliday) (Hymenoptera: Braconidae) attacking Sitobion avenae (Fabricius) (Hemiptera: Aphididae) (Farhad et al 2011) Parasitoid with a type II functional response exerts an inverse, density-dependent action on the pest, whereas a parasitoid with a type III functional response acts in a positive, density-dependent manner.…”

Section: Effect Of Host Density On Parasitism Progeny and Sex Ratiomentioning

confidence: 99%

“…The form of functional response on its own does not determine the success or failure of parasitoids in biological control (Fernandez-Arhex and Corley 2003;Tazerouni et al 2019). Other factors like a numerical response, intrinsic growth rates, host patchiness, competition, as well as abiotic and biotic factors such as temperature and host plant also affect the efficacy of natural enemies in pest management (Shishehbor and Zandi-Sohani 2011;Yang et al 2015;Joodaki et al 2018).…”

Section: Effect Of Host Density On Parasitism Progeny and Sex Ratiomentioning

confidence: 99%

Parasitism of cassava mealybug by Anagyrus lopezi: Effects of varying host and parasitoid densities

et al. 2020

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Abstract. Fanani MZ, Rauf A, Maryana N, Nurmansyah A, Hindayana D. 2020. Parasitism of cassava mealybug by Anagyrus lopezi: Effects of varying host and parasitoid densities. Biodiversitas 21: 4973-4980. The solitary endoparasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) was introduced into Indonesia in 2014 to control the cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). The objectives of this study were to understand the influence of host and parasitoid densities on functional response and mutual interference of the parasitoid, by altering either the host or parasitoid density while keeping the other constant. The effects of host and parasitoid densities on parasitism, superparasitism, progeny production, and sex ratio were also assessed. Logistic regression was used to determine the shape of the functional response. Nonlinear least-squares regression was used to estimate the attack rate (a) and handling time (Th). Nicholson’s model and linear regression were used to determine per capita searching efficiency and interference coefficient, respectively. The logistic regression results suggested a Holling type II functional response to changing host densities, with an estimated attack rate (a) and handling time (Th) were 0.037 h-1 and 1.19 h, respectively. The estimated maximum number of mealybugs parasitized over 24-h period was 20.2 mealybugs. The wasp-mealybug ratio and offspring production increased significantly from 1:2 to 1:100 and from 1.35 to 10.45, respectively. However, the per capita number of parasitization decreased significantly from 14.20 to 4.37, with the increase in parasitoid density from 1 to 8. Searching efficiency of the parasitoid decreased significantly with increasing parasitoid density, with a mutual interference constant (m) of -0.52.

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“…Heavy infestation of the cotton mealybug may result from the absence of natural enemies of this invasive pest (Noureen et al, 2016). Parasitoids (Aslam et al, 2017;Karmakar and Shera, 2017;Joodaki et al, 2018) and predators (Arif et al, 2012;Zazycki et al, 2015;Aslam et al, 2017;Lima et al, 2018) can control this mealybug. However, chemical control, with highly toxic insecticides to natural enemies, is the main method to reduce populations of this mealybug (Huang et al, 2012; Karmakar and Shera, 2017).…”

Section: Introductionmentioning

confidence: 99%

Survival, development and reproduction of Phenacoccus solenopsis (Hemiptera: Pseudococcidae) on kaolin-treated cotton

Guedes

Zanuncio

2020

Braz. J. Biol.

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The mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a cotton pest widespread in several cotton growing regions of Brazil, particularly in the semi-arid region of southwestern Bahia. The impact of kaolin on survival, development and reproduction of P. solenopsis was evaluated in the laboratory. The experiment was developed in a completely randomized design with two treatments: immature or newly emerged adults of P. solenopsis sprayed with kaolin and fed with cotton leaf discs treated with kaolin suspension (with kaolin) (T1) and immature or newly emerged adults of P. solenopsis sprayed with distilled water and fed with cotton leaf discs treated with distilled water (without kaolin) (T2). The kaolin suspension shortens the life cycle, increases the reproductive potential and population growth of the cotton mealybug, P. solenopsis and, therefore, it should be used with caution on cotton plants in regions with a history of occurrence of this pest.

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Temperature-dependent functional response of Aenasius bambawalei (Hymenoptera: Encyrtidae) to different population densities of the cotton mealybug Phenacoccus solenopsis (Hemiptera: Pseudococcidae)

Cited by 12 publications

References 29 publications

Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong

Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong

Parasitism of cassava mealybug by Anagyrus lopezi: Effects of varying host and parasitoid densities

Survival, development and reproduction of Phenacoccus solenopsis (Hemiptera: Pseudococcidae) on kaolin-treated cotton

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