NDLI: Effect of species, age, and sex of tsetse on response to infection by Metarhizium anisopliae

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Oviposition mechanisms in the whitefly parasitoids Encarsia transvena and Eretmocerus mundus

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Effect of species, age, and sex of tsetse on response to infection by Metarhizium anisopliae

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BioControl : Volume 43, Issue 2, June 1998

BioControl : Volume 43, Issue 1, March 1998

BioControl : Volume 42

Effect of species, age, and sex of tsetse on response to infection by Metarhizium anisopliae

Content Provider	Springer Nature Link
Author	Maniania, Nguya K. Odulaja, Adedapo
Copyright Year	1998
Abstract	Laboratory studies were carried out to determine the effect of sex and age on the susceptibility of tsetse, Glossina morsitans morsitans and G. m. centralis, to the entomopathogenic fungus, Metarhizium anisopliae. Both species of host flies were susceptible to fungal infection. Female flies were generally more susceptible than male flies. Three host ages (40, 20, and <1 day-old) were used; the youngest group was most resistant to fungal infection. Interactions between species, sex and age were significant on many occasions. Age usually accounted for the largest variability in mortality, followed by sex. All flies of age 40 days died between 7 and 8 days after infection whereas some of the younger flies, especially age 0, lived longer than 10 days. Log10 day probit (LDP) mortality regressions fitted well to most of the data sets. LDP slopes were significant and high, ranging between 4.3 and 12.8, indicating a generally high mortality rate of increase over days. The slopes differed significantly between species, sexes, and ages, but grouping by age was more intra homogeneous than by species or sex. The 50% lethal time mortalities (LT50) ranged between 4 and 7 days for age 0, 3 and 6 days for age 20, and about 5 days for age 40. Corresponding ranges of the LT95 were 8 to 20, 5 to 10, and 6 to 7 days for ages 0, 20 and 40, respectively. The significance of these results in the fungal disease transmission by tsetse is discussed.
Starting Page	311
Ending Page	323
Page Count	13
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	43
Issue Number	3
e-ISSN	15738248
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Evolutionary Biology Plant Sciences Plant Pathology Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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