Keywords (Extracted from title, table of contents and
abstract of thesis) Development, Crop, Food Sciences,
Libellago greeni, Zygoptera, Poverty, damselflies, Cylonolestes cyanea, atkinsoni |
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Abstract Damselflies or
Zygoptera, an important group of predators and biodiversity
indicator, has been neglected in Pakistan. Partially to redress
this, damselflies were collected from
various localities of Pakistan during 2004 – 2008. A total of 1061
damselflies collected,yielding 51 species in 26 genera and 5
families. Eight species, namely; Libellago lineata lineata,
Libellago greeni, Protosticta hearseyi, Coeliccia vacca,
Cylonolestes cyanea, Ellatoneura souteri, Ellatoneura campioni and
Ellatoneura atkinsoni are recorded for the first time from Pakistan.
A new species of Indocnemis ahmedi sp. nov. is described from
Nouseri (AJK) and Dasu (N.W.F.P). All species incorporated into key
are illustrated by their valid names, synonyms, measurement of body
parts (abdomen, forewing and hindwing length), habitat description,
sex ratio of collected specimens with their dates of collection,
distribution range, differential characters from published
description for new records to country and comprehensive characters
description for new to science specimen has been provided. The known
distribution of all the species is also updated. A map is provided
of the distribution of each of them. Biodiversity indices study
indicates that it was comparatively higher in AJ&K as compared to
Punjab, N.W.F.P, Baluchistan, Sindh and Northern areas respectively.
Comparison of all the collected damselflies was done on area basis
as well as on time period basis. Results revealed significant
diferences among
3 species and non-significant in 30 species on area basis. On time
period basis, 33 species showed decreased length and 17 species
showed increase in length. Sex ratio for whole collection was also
calculated and it was found female biased.
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