Effects of temperature on reproductive capacity and longevity of Thissolcus simoni, an egg parasitoid of Eurygaster integriceps

Küçük Resim Yok

Tarih

2005

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Springer Heidelberg

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In order to understand the effects of temperature on Trissolcus simoni, some parameters of the life tables of adult parasitoids were investigated under laboratory conditions. The following parameters were measured (the values in parentheses were obtained at 20, 26, and 32 degrees C temperatures, respectively): net reproductive rate (R(o) = 37.785, 40.301, and 58.299), intrinsic rate of population increase (r(m) = 0.111, 0.221, and 0.325), generation time (T = 32.77, 16.60, and 12.49 days), doubling time (DT = 6.245, 3.136, and 2.133), and finite rate of increase (lambda = 1.117, 1.247, and 1.385). Fecundity increased with increasing temperature. The values for total number of eggs deposited per female were 50.1, 64.1, and 68.1, and average female longevity was 24.2, 13.8, and 11.1 days at 20, 26, and 32 degrees C, respectively. Temperature had a significant effect on longevity and oviposition and post-oviposition periods. The results of the study are discussed and compared with life-table parameters of other scelionids.

Açıklama

Anahtar Kelimeler

Trissolcus Simoni, Egg Parasitoid, Life Table, Fecundity, Eurygaster Integriceps, Trissolcus-Semistriatus, Host Preference, Scelionidae, Hymenoptera, Age

Kaynak

Journal Of Pest Science

WoS Q Değeri

Q4

Scopus Q Değeri

Q1

Cilt

78

Sayı

2

Künye