The response of sycanus aurantiacus ishikawa et okajima (hemiptera: reduviidae) to color polymorphisms larvae of spodoptera exigua (hubner) (lepidoptera: noctuidae)

International Journal of Life Sciences

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Title The response of sycanus aurantiacus ishikawa et okajima (hemiptera: reduviidae) to color polymorphisms larvae of spodoptera exigua (hubner) (lepidoptera: noctuidae)
 
Creator Mariana, Santi
Susila, I Wayan
Yuliadhi, Ketut Ayu
Supartha, I Wayan
 
Subject color polymorphism larvae
functional response
preference
spodoptera exigua
sycanus aurantiacus
 
Description his study aims to evaluate the predatory behavior, preference and functional response of S. aurantiacus in color polymorphism larvae of S. exigua. The predatory behavior and preference test of S. aurantiacus  using green and dark brown color larvae  of S. exigua. Functional response test was carried out with 5 treatments of larvae population density with 10 replications. The results showed that S. aurantiacus prefers to dark brown larvae of S. exigua than green. The time taken by predators to find the first and subsequent prey was faster in dark brown larvae than in green, both on low or high larval density. The search time for the first prey on dark brown larvae was 22.7 minutes (at high density) and 39.3 minutes (at low density) while those on green larvae were 26.5 minutes and 42.7 minutes. S. aurantiacus showed type-II functional response to the density rate of S. exigua larvae both dark brown and green with the line equation respectively Y = 1,284x / 1 + 0,056x; R2: 0.96; a: 0,107; Th: 0.52 (dark brown larvae) Y = 1.32x / 1 + 0.063x; R²: 0.952; a: 0,109; Th: 0.58 (green larvae). 
 
Publisher Universidad Tecnica de Manabi
 
Date 2020-08-23
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://sciencescholar.us/journal/index.php/ijls/article/view/438
10.29332/ijls.v4n2.438
 
Source International journal of life sciences; Vol. 4 No. 2 (2020): August ; 42-51
2550-6986
2550-6994
 
Language eng
 
Relation https://sciencescholar.us/journal/index.php/ijls/article/view/438/488
 
Rights Copyright (c) 2020 International journal of life sciences
 

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