Influence of Feeding Treatment, Host Density, Temperature, and Cool Storage on Attack Rates ofTachinaephagus zealandicus(Hymenoptera: Encyrtidae)

Almeida, Maria A. Ferreira de; Geden, Christopher J.; Prado, Angelo Pires do

doi:10.1603/0046-225x-31.4.732

Cited by 12 publications

(6 citation statements)

References 15 publications

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“…Progeny sex ratio dynamics in response to host density occurs in many parasitoid species (Sandlan 1979;Asante & Danthanarayana 1993;Ferreira De Almeida et al 2002;He et al 2006). In Aphidius ervi (Hymenoptera: Aphidiidae), the proportion of female progeny increases with an increase in host density from 15 to 50 pea aphids (He et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Reproductive fitness of Diadegma semiclausum Hellen (Hymenoptera Ichneumonidae) in response to host density

Khatri¹,

He²,

Wang³

2012

NZPP

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Diadegma semiclausum is an important larval parasitoid of diamondback moth (DBM) Plutella xylostella The present study investigated the reproductive fitness of D semiclausum females in response to host densities of 5 and 30 DBM larvae per cabbage seedling per day Both the number of hosts parasitised and the number of female progeny produced over the life of the parasitoid were significantly greater in the 30 than the 5 host density (hosts parasitised 60131 versus 12015 and female progeny produced 6710 versus 122) (P

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Section: Discussionmentioning

confidence: 99%

Reproductive fitness of Diadegma semiclausum Hellen (Hymenoptera Ichneumonidae) in response to host density

Khatri¹,

He²,

Wang³

2012

NZPP

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“…The infection rate of the Þeld-collected parasitioids is unknown. An uninfected colony was established from the infected colony by a combination of drug treatment and postoviposition infection assessment of individual female parasitoids (Ferreira de Almeida et al 2002b). Parasitoids were maintained at 25 Ϯ 1ЊC, 60 Ϯ 10% RH, with a 12L:12D photoperiod.…”

Section: Methodsmentioning

confidence: 99%

“…pupal parasitoids, with development from egg to adult requiring Ϸ24 d at 25ЊC (Geden 1997, Ferreira de Almeida et al 2002a. Adults can live for several weeks on a diet of honey and water until hosts are located, and host attack rates range from 10 to 25 larvae killed (uneclosed host pupae) per female per day, depending on host species and environmental conditions (Ferreira de Almeida et al 2002b). Female parasitoids die soon after depositing their complement of eggs, living 2Ð5 d after exposure to host larvae regardless of age at the time of Þrst exposure to hosts (CJG and MAFA, unpublished data).…”

mentioning

confidence: 99%

Effects of Nosema Disease on Fitness of the Parasitoid Tachinaephagus zealandicus (Hymenoptera: Encyrtidae)

Geden¹,

Almeida

Prado

2003

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“…Ferreira de Almeida et al (2002a) suggested that, in the field, the burial behaviour of parasitized host larvae prior to pupation may allow T. zealandicus to overcome the inhibitory effects of high ambient temperatures during development. Our data further suggest that, as T. zealandicus has a broad host range, differential development on host species may contribute to parasitoid persistence throughout periods of high ambient temperatures (Ables, 1977;Bishop, 1998;Ferreira de Almeida et al, 2002a, 2002b.…”

Section: Thermal Requirementsmentioning

confidence: 56%

Temperature-dependent development of the parasitoid Tachinaephagus zealandicus on five forensically important carrion fly species

Voss

Spafford

Dadour

2010

Medical and Veterinary Entomology

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The influences of temperature and host species on the development of the forensically important parasitoid Tachinaephagus zealandicus Ashmead (Hymenoptera: Encyrtidae) were studied at six constant temperatures in the range of 15-30 degrees C. T. zealandicus completed development successfully between 15 degrees C and 27 degrees C on five species of Calliphoridae, Calliphora albifrontalis Malloch, Calliphora dubia Macquart, Lucilia sericata Meigen, Chrysomya rufifacies Macquart and Chrysomya megacephala Fabricius. No adult parasitoids emerged from any of the host species reared at 30 degrees C. Temperature and host species significantly influenced development time, emergence success and progeny size. Development was significantly longer on Ch. megacephala and Ch. rufifacies at 18-24 degrees C and significantly longer on Ch. rufifacies and C. albifrontalis at 15 degrees C and 27 degrees C. Parasitoid emergence success was greatest at 21 degrees C, declined at the temperature extremes (15 degrees C and 27 degrees C) and was significantly lower on Ch. megacephala and Ch. rufifacies than on the three other host species. Progeny numbers per host pupa were highest at 21-24 degrees C, declined on either side of this temperature range and were significantly lower on L. sericata, Ch. rufifacies and Ch. megacephala than on either C. dubia or C. albifrontalis. An effect of host species on sex ratio was only observed at 27 degrees C, at which a higher proportion of T. zealandicus females emerged from Ch. megacephala and Ch. rufifacies than from the other host species. The thermal requirements for development (developmental thresholds, thermal constant, optimum temperature) of T. zealandicus in each host species were estimated using linear and non-linear models. Upper and lower developmental thresholds ranged between 29.90 degrees C and 31.73 degrees C, and 9.73 degrees C and 10.08 degrees C, respectively. The optimum temperature for development was estimated at between 25.81 degrees C and 27.05 degrees C. Given the significant effect of host species on development time, the use of parasitoid-host-specific developmental data in forensic application is recommended.

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Influence of Feeding Treatment, Host Density, Temperature, and Cool Storage on Attack Rates ofTachinaephagus zealandicus(Hymenoptera: Encyrtidae)

Cited by 12 publications

References 15 publications

Reproductive fitness of <i>Diadegma semiclausum</i> Hellen (Hymenoptera Ichneumonidae) in response to host density

Reproductive fitness of <i>Diadegma semiclausum</i> Hellen (Hymenoptera Ichneumonidae) in response to host density

Effects of <I>Nosema</I> Disease on Fitness of the Parasitoid <I>Tachinaephagus zealandicus</I> (Hymenoptera: Encyrtidae)

Temperature-dependent development of the parasitoid Tachinaephagus zealandicus on five forensically important carrion fly species

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