Effect of Native Mexican Isolates ofIsaria fumosorosea(Wize) Brown &amp; Smith1onSpodoptera exigua(Hübner) andHelicoverpa zea(Boddie)2

Gandarilla-Pacheco, Fátima Lizeth; Flores-González, María del Socorro; Morales-Ramos, Lilia H.; Elías-Santos, Myriam; Galán-Wong, Luis J.; Quintero-Zapata, Isela

doi:10.3958/059.040.0411

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…This prolongation in the life cycle of the mosquito may be due to the process followed by the fungus once it penetrates the cuticle of the insect, affecting the fat reserves, which causes the depletion of energy resources and directly influences the change of stage, which it is reflected as a prolonged duration of larvae and pupae (Hussain et al, 2009). These effects have been mainly documented in Lepidoptera such as Heliothis zea, Lymantria dispar, Ocinaria varians, Spodoptera exigua and Helicoverpa zea (Mitchell and Cali, 1994;Henn and Solter, 2000;Hussain et al, 2009;Gandarilla-Pacheco et al, 2015), although studies have also been reported in Diptera such as Musca domestica, Culex pipiens and Anastrepha ludens (Lecuona et al, 2005;Gandarilla-Pacheco et al, 2018;Shoukat et al, 2018). In the particular case of B. bassiana, the hyphae absorb the sugar content of the insect's hemolymph, which contributes to host weakness and disrupts various biological parameters.…”

Section: Biological Cycle Of Surviving Post Treatment Larvaementioning

confidence: 99%

“…Recent studies have shown the potential of entomopathogenic fungi for the control of vector mosquitoes (Garcia-Munguía et al, 2011;Bitencourt et al, 2018;Carolino et al, 2019). In the case of fungi, as in that of other pest control agents effectiveness is measured by its virulence and in other cases by its lethality, however, the efficiency of a control agent on its target could be subject to many more conditions, since it is known that not all insects treated with a fungal agent necessarily they will die immediately after application (Gandarilla-Pacheco et al, 2015). This phenomenon has been called sublethal effects or late effects at different stages of the mosquito life cycle which gives them a selective advantage over other agents similar to them (Mnyone et al, 2011;Pelizza et al, 2013;Portilla et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Late effects of Beauveria bassiana on larval stages of Aedes aegypti Linneo, 1762 (Diptera: Culicidae)

et al. 2022

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Aedes aegypti is a culicide that has gained relevance over the years due to its ability to transmit various viruses that cause diseases in humans that all the years cause high mortality rates in the world population. The main problem is that Ae. aegypti has managed to establish and maintain a close relationship with humans and their habitat, which is why the search for alternatives to control vector populations becomes imperative. The objective of the present work was to study the effects of two Beauveria bassiana strains on Aedes aegypti. Third instar larvae of Ae. aegypti in 250 mL plastic containers were inoculated with the GHA and NB3 strains at different concentrations (1.5 × 104, 1.5× 105, 1.5 × 106 and 1.5 × 107 conidia/mL). The NB3 strain presented highest mortality values with 63% in the highest concentration i.e., 1.5 × 107, while for the GHA strain the highest mortality value was 30.7% at the same concentration. The results showed significant difference in mortality with respect to the strain and days post treatment (P = 0.0001), but not with respect to the conidial concentration (P = 0.634). The average mortality of larvae per day for the NB3 for different concentrations ranged from 20 to 25 larvae per day, while for the GHA daily mortality ranged from 5 to 12 larvae. In post-treatment mortality, the highest mortality was recorded in the third stage larvae for the NB3, while for GHA the highest percentage mortality was observed in individuals who managed to reach the adult state. The findings of the current research depicted the noteworthy role of B. bassiana for the management of an important vector of human disease.

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Section: Biological Cycle Of Surviving Post Treatment Larvaementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Late effects of Beauveria bassiana on larval stages of Aedes aegypti Linneo, 1762 (Diptera: Culicidae)

et al. 2022

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“…19,20 Entomopathogenic fungi (EPFs), namely, Isaria fumosorosea and Beauveria bassiana , have been reported to effectively reduce the population of lepidopterous insect pests. 21,22…”

Section: Introductionmentioning

confidence: 99%

Effects of Entomopathogenic Fungi on the Biology ofSpodoptera litura(Lepidoptera: Noctuidae) and its Reduviid Predator,Rhynocoris marginatus(Heteroptera: Reduviidae)

et al. 2019

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Entomopathogenic fungi (EPFs), Isaria fumosorosea and Beauveria bassiana, are efficient biological agents in the management of multiple arthropod pests. In this study, the effects of both EPF species on various life stages of Spodoptera litura (F.) (Lepidoptera: Noctuidae) and its natural enemy Rhynocoris marginatus (Fab.) (Hemiptera: Reduviidae) were determined under laboratory conditions. I. fumosorosea significantly ( P < .05) reduced the growth rate of the third and fourth instar larvae of S. litura. For relative consumption rate (RCR), the maximum impact was recorded for I. fumosorosea, which reduced the RCR of the larvae. The larvae of S. litura treated with I. fumosorosea showed significantly lower efficiency of conversion of ingested food (ECI) and the larval mortality rate (58.0%) was also higher compared with B. bassiana (33.3%). Similarly, I. fumosorosea had a significant effect on the pupal formation of S. litura; however, no significant effect was found on adult emergence percentage. To determine the effect of EPF-infected prey on the adult predator, their handling time, predatory rate, consumption rate, and the survival rate were recorded. No significant effect of EPF species on the predation rate was found. Furthermore, no significant difference was found in the survival rate of predators fed on either EPF-infected prey or healthy larvae. The interaction of these EPFs with a reduviid predator suggested that both EPF species, especially I. fumosorosea, could be used together with the predator to boost the biological control of S. litura in commercial crops.

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Botanical extracts fromDodonaea viscosa(Sapindales: Sapindaceae) reduce hemocyte counts fromSpodoptera exigua(Lepidoptera: Noctuidae) with potential insecticidal synergism withIsaria fumosorosea(Hypocreales: Cordycipitaceae)

Ramírez-Zamora

Salinas-Sánchez

Figueroa‐Brito

et al. 2020

Biocontrol Science and Technology

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Effect of Native Mexican Isolates ofIsaria fumosorosea(Wize) Brown & Smith¹onSpodoptera exigua(Hübner) andHelicoverpa zea(Boddie)²

Cited by 5 publications

References 14 publications

Late effects of Beauveria bassiana on larval stages of Aedes aegypti Linneo, 1762 (Diptera: Culicidae)

Late effects of Beauveria bassiana on larval stages of Aedes aegypti Linneo, 1762 (Diptera: Culicidae)

Effects of Entomopathogenic Fungi on the Biology ofSpodoptera litura(Lepidoptera: Noctuidae) and its Reduviid Predator,Rhynocoris marginatus(Heteroptera: Reduviidae)

Botanical extracts fromDodonaea viscosa(Sapindales: Sapindaceae) reduce hemocyte counts fromSpodoptera exigua(Lepidoptera: Noctuidae) with potential insecticidal synergism withIsaria fumosorosea(Hypocreales: Cordycipitaceae)

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