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Pakistan Journal of Biological Sciences
  Year: 2013 | Volume: 16 | Issue: 23 | Page No.: 1786-1790
DOI: 10.3923/pjbs.2013.1786.1790
 
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Morphological Re-description of Cochlochila bullita (Stål) (Heteroptera: Tingidae), a Potential Pest of Orthosiphon aristatus Blume Miq. (Lamiales: Lamiaceae) in Malaysia

T.L. Peng, A.S. Sajap, L.H. Jeen, S.H. Lee and W.C. Lum

Abstract:
One species of lace bug Cochlochila bullita Stål (Heteroptera: Tingidae) was found heavily infested Orthosiphon aristatus Blume Miq., an important medicinal plant in Malaysia. A morphological re-description of C. bullita was done in order to facilitate the identification of this oligophagous insect pest. Five variables, body length and width, antenna length, tibia length and head width were measured from 15 samples from each stage. Among these variables, body length and width were used to construct the ratio for species identification; while body lengths with the other three variables were used to distinguish the nymphs from each developmental stage. The measurements of four traits except the antenna length showed significant differences between the development stages. And thus suggest the body width, tibia length and head width were suitable parameters used to distinguish the nymphal stages. However, the result on the growth factor showed only the sizes of the head followed a more constant growth rate with growth ratios (1.21-1.39) lie between the Dyar’s ratio. Body length and width ratio for the adult female and male was 1.51±0.00 and 1.59±0.01, respectively. These data are pertinent for identifying developmental stages and to distinguish the species of the lace bug.
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How to cite this article:

T.L. Peng, A.S. Sajap, L.H. Jeen, S.H. Lee and W.C. Lum, 2013. Morphological Re-description of Cochlochila bullita (Stål) (Heteroptera: Tingidae), a Potential Pest of Orthosiphon aristatus Blume Miq. (Lamiales: Lamiaceae) in Malaysia. Pakistan Journal of Biological Sciences, 16: 1786-1790.

DOI: 10.3923/pjbs.2013.1786.1790

URL: https://scialert.net/abstract/?doi=pjbs.2013.1786.1790

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