STUDIES ON COLEOPTERAN DIVERSITY AND PHYLOGENETIC ANALYSIS IN AGROECOSYSTEM OF KODUVAYUR, PALAKKAD DISTRICT, KERALA
Author(s):
Surya Das.C., Santhi.S, Jayasree.S
Keywords:
Ancestor, Beetles, Coleoptera, Phylogenetic analysis
Abstract
Order Coleoptera is the largest and most diverse order of class insects.Beetles constitute the major part of our biodiversity. Coleopteran diversity study was done inKoduvayurgramapanchayat(ward 11) of Palakkad District for a period of 5 months (October 2021 to February 2022) and phylogenetic analysis was performed based on the identified species in the study. During the study period 48 species belong 40 genera of 15 families were identified. Most of the Beetles are observed as terrestrial but some of them are aquatic in habit. The sizes of the observed beetles wereranged between about 3 mm to 6cm. The highest species diversity obtained in this study belongs to the family scarabaeidae (38%) with 18 species of 14 genera.The second largest species in the study was family Chrysomelidae(21%).The evolutionary relationship between beetles has been analyzed using Clustal X. Based on the phylogeneticanalysis, the family Dytiscidae showed lowest root distance(0.086110),hence only few changes had occurred in the genetic makeup with respect extant taxa and it can be the close relative of the common ancestor. Family Hydrophilidae represents recent taxon which shows the highest root distance (0.842630).Highest diversity shown family Scarabaeidae(0.12550) and melonidae(0.12570) belongs to same clade with almost same root distance. Scarabaeidae lies intermediate between Dytiscidae and Hydrophilidae with moderate evolution which indicate highly adapted species in this locality.
Article Details
Unique Paper ID: 158899

Publication Volume & Issue: Volume 9, Issue 10

Page(s): 941 - 944
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