Biometric assessment of cucumber moth, Diaphania indica (Saunders) on bitter gourd (Momordica charantia L.)

Cucumber moth, Diaphania indica (Saunders) is a polyphagous insect, becoming one of the major constraints in cost-effective cultivation of bitter gourd. As the detailed knowledge of the biology of insect-pest is essential for the application of control methods, the biometrics of cucumber moth, D. in...

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Bibliographic Details
Published inInternational journal of tropical insect science Vol. 42; no. 1; pp. 507 - 518
Main Authors Pilania, Sunidhi, Yadav, Surender Singh, Yadav, Sunita, Rolania, Krishna, Kumar, Lomash, Indora, Jyoti, Kumar, Amit
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.02.2022
Springer Nature B.V
Subjects
Biomedical and Life Sciences
Biometrics
Butterflies & moths
Control methods
Cucumbers
Diaphania indica
Entomology
Females
Insects
Laboratories
Life cycles
Life Sciences
Males
Morphometry
Original Research Article
Oviposition
Sex ratio
Biometrics
Bitter gourd
Life-cycle
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Summary:Cucumber moth, Diaphania indica (Saunders) is a polyphagous insect, becoming one of the major constraints in cost-effective cultivation of bitter gourd. As the detailed knowledge of the biology of insect-pest is essential for the application of control methods, the biometrics of cucumber moth, D. indica was studied on bitter gourd in laboratory conditions during 2019 at Insect Culture Laboratory, Department of Entomology, Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana. Gravid females laid 93.6 ± 44.14 eggs having the morphometrics of 0.7 ± 0.02 and 0.42 ± 0.02 mm in terms of length and breadth, respectively. The mean larval duration of 1st, 2nd, 3rd, 4th and 5th instar was observed to be 1.49, 2.41, 3.59, 2.54 and 3.3 days, respectively with the total mean larval period of 13.33 days, while length and breadth varied from 1.75 to 21.65 and 0.26 to 2.94 mm for 1st to 5th instar. The pupal period of D. indica lasted for 7.93 ± 1.06 days which further accounted for the average total life cycle of 26.91 ± 1.01 days. The pre-oviposition, oviposition and post-oviposition periods were recorded as 1.5 ± 0.53, 3.9 ± 0.74 and 1.9 ± 0.74 days, respectively with sex ratio of 1:1.1 (male: female). The longevity of male and female moths was 6.1 ± 0.71 and 7.69 ± 1.22 days, respectively. Graphical abstract
ISSN:1742-7592
1742-7584
1742-7592
DOI:10.1007/s42690-021-00566-9