alexa Insect Community of Hirpora Wildlife Sanctuary (Shopian), Jammu and Kashmir, India | Open Access Journals
ISSN: 2376-0354
Journal of Horticulture
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Insect Community of Hirpora Wildlife Sanctuary (Shopian), Jammu and Kashmir, India

Ishrat Bashir, Fayaz Ahmad Bhat* and Humaira Qadri

Department of Environmental Sciences, S.P. College Kashmir, Jammu and Kashmir, India

*Corresponding Author:
Fayaz Ahmad Bhat
Department of Environmental Sciences
S.P. College Kashmir
Jammu and Kashmir, India
Tel: +91 9796354817
E-mail: [email protected]

Received Date: April 07, 2017; Accepted Date: April 25, 2017; Published Date: May 10, 2017

Citation: Bashir I, Bhat FA, Qadri H (2017) Insect Community of Hirpora Wildlife Sanctuary (Shopian), Jammu and Kashmir, India. J Hortic 4:197. doi: 10.4172/2376-0354.1000197

Copyright: © 2017 Bashir I, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Keywords

Distribution; Diversity; Insects; Hirpora; Wildlife sanctuary

Introduction

Insects are known to be the most successful and diverse form of animals on earth. They have adopted for almost every conceivable type of environment on land, in air and water, deserts, even in highly harsh environment such as pools of crude petroleum [1] and almost eon every possible habitat. The insects roughly account for more than 75 percent of the identified species of the animals. There are 1.4 million specie of insects described in the scientific literature [2] and 59353 species of insects pertaining to 27 orders are well-known in India [3]. Insects make up more than half of all living species, a further quarter are green plants, and only 4% of all described species are vertebrates [4].

Insects play an important role in running of an ecosystem [5]. They act as herbivores, scavengers and detritivores, predators and parasites [6]. Insects play an essential role in energy flow [7]. The success of insects is attributed largely to the evolution of flight, which has improved dispersal, escape from predators, and access to food and optimal environmental conditions. Insects amaze not only by their gigantic species richness but also by their diversity of life forms: the four largest insect orders, Coleoptera, Diptera, Lepidoptera and Hymenoptera, correspond to major functional groups [4]. Insect as decomposers plays critical role in decomposition of plant material (both leaf litter and woody material), dead animals and waste materials. They are the major herbivores and consume large proportion of plant biomass in terrestrial ecosystems [8]. The substantial benefits to humanity from insects generally receive less hype than the financial losses that result from their roles as vectors of diseases and as pests of agriculture, fibers and stored goods. The main benefits are ecological, economic, scientific and aesthetic. Conspicuous insects such as butterflies and dragonflies are particularly useful in monitoring changes. Dragonflies play an important role as indicators of the ecological quality of land-water ecotones, habitat heterogeneity, water pH, salinity and pollination [9]. Insects are also an important pollinators as well as one of the important components of food chain of the birds, reptiles, spiders and predatory insect [10]. Despite their vital role little is known about the insect communities of Hirpora. Therefore, keeping in mind the above fact, present work was conducted to study the diversity and distribution of insects in Hirpora wildlife Sanctuary, Shopain.

Materials and Methods

Study area and study sites

The present study on insects was carried out in forest ecosystem of Hirpora Wildlife Sanctuary (Shopian). It is located in Shopian district of Kashmir, 70 km South of Srinagar at an around 33°39’ 55” N latitude and 74°39’ 40” E longitude at an altitude of 2546 m above mean sea level (Figure 1). It is bounded to the north by Lake Gumsar, northeast by Hirpora village, to the east by Rupri, to the south by Saransar and to the west by the Pir Panjal pass. The slopes are gentle to moderately steep on the eastern aspect and very steep with many cliffs on the upper northern and western portion. The southern and southeastern portions are moderately steep. This sanctuary was established in 1987 and its total area is 341.25 km2, beautified by forests, pastures, scrub land, waste land and water bodies [11]. Although Flora and Fauna of Hirpora Wild life Sanctuary has been studied but no survey or study has been undertaken so far on the insect fauna of Hirpora wildlife sanctuary. The climatic conditions of the Hirpora are somehow different from Kashmir valley. The highest day temperature is in between 627°C in summers and the winters are chilly with heavy snowfall. Its forests comprise of Western mixed coniferous forests and deciduous sub-alpines scrub forests. The presence of pastures and meadows beautify the area and provide a grazing site during summers.

horticulture-study-area

Figure 1: Outline map of study area.

Collection of insects

Sampling for insects was carried from June to November during 2013. Various methods i.e., hand picking, use of sweeping nets, aerial nets and beating sheets were used for the collection of insects from vegetation including grasses, herbs, shrubs, bushes and trees up to a height of 2 m at each site. Insects were then transferred into well labeled collection bottles containing cotton soaked with ethyl acetate and carried to laboratory. All specimens were mounted on entomological boxes with the help of entomological pins and dried to prevent decomposition. The specimens were then sending for identification to the Entomology Department of Sher-I-Kashmir Agricultural University of Science and Technology (SKAUST), Kashmir (Supplementary Figures).

Results and Discussion

During the course of present study, 338 insect individuals were recorded belonging to 26 species from 20 families and 07 orders which includes order Lepidoptera consisting of 08 species, followed by Hymenoptera and Coleoptera which comprises of 05 species each, while Diptera comprise of 04 species. Lesser number of species was found in orders Odonata (02), Hemiptera (01) and Opthotera (01). These findings were also supported to our results (Table 1).

S.No. Order Family Species Common Name Total
1 Lepidoptera Nymphalidae Vanessa cashmirensis Small tortoiseshell 16
2 Lepidoptera Pieridae Pieris brassicae Cabbage butterfly 18
3 Lepidoptera Nymphalidae Issoria lathonia Queen of spain fritillary 09
4 Lepidoptera Pieridae Colias romanovi clouded yellows 13
5 Lepidoptera Pieridae Eurema sp. Grass yellow 08
6 Lepidoptera Lycaenidae Aricia agestis Brown agestis 16
7 Lepidoptera Arctiidae Lemyra stigmata Moth 08
8 Lepidoptera Lymantriidae Leucoma salicis White satin moth 06
9 Hymenoptera Vespidae Vespula vulgarius Yellow jacket/wasp 16
10 Hymenoptera Ichneumonidae Eriborus terebrans   14
11 Hymenoptera Apidae Apis florae Dwarf honey bee 08
12 Hymenoptera Formicidae Formica sp. Red wood ant 21
13 Hymenoptera Formicidae Myrmica sp. Black ant 16
14 Coleoptera Lycidae Dictyopterous simplicipes Netwing beetle 08
15 Coleoptera Coccinellidae Coccinella septumpuntata Ladybird beetle 11
16 Coleoptera Scarabacidae Adoretus versutus Rose beetle 12
17 Coleoptera Scarabacidae Canthon pilularius Dung beetle 11
18 Coleoptera Chrysomelidae Chrysomela coerulans Mint beetle 14
19 Diptera Empidae Empis livida Dance Fly 15
20 Diptera Syrphidae Eupeodes sp. Hover fly 12
21 Diptera Sarcophagidae Sarcophaga sp. Flesh fly 15
22 Diptera Calliphoridae Callophora vomitoria Blue bottle fly 17
23 Odonata Libellulidae Orthetrum caledonicum Blue skimmer 14
24 Odonata Libellulidae Trithemis annulata Violet dropwing 18
25 Hemiptera Lygacidae Lygaeus equestris Seed bug 14
26 Orthoptera Acrididae Chorthippus biguttulus Grasshopper 08
Total 338

Table 1: Showing the observed insects in Hirpora wildlife Sanctuary (Shopian).

The study revealed that maximum numbers of insects were found during the months of July, August and September (Table 2) since favorable weather and climatic conditions are present increasing the chances of their survival. It has been found that all species are active during the summer months [12]. The temperature showed an increasing trend from July-Sep. 2013 which might be in favour of certain insect species to flourish. The increase in temperature directly affects the insect community and leads to an increase in their population [13] which seems to be the reason for the peak value in population density found during summer months. It has also been found that with the increase in productivity species richness also increases [14-18].

Order June July Aug Sept Oct Nov Total
Lepidoptera 14 28 29 13 6 4 94
Hymenoptera 10 20 24 13 5 3 75
Coleoptera         9 15 19 7 4 2 56
Diptera 9 17 16 9 5 3 59
Odonata 3 12 8 4 3 2 32
Hemiptera 1 3 4 3 2 1 14
Opthotera 1 3 2 1 1 0 8
Total 47 98 102 49 27 15 338

Table 2: Showing the monthly fluctuation of insect orders collected during study period June-Nov.2013.

The seasonal fluctuations of insect population (Figure 2) also probably reflect seasonal variability in availability and quality of food resources [19], diverse topography, vegetative features, climatic setting and breeding sites in a forest area [20]. The various environmental factors such as temperature, humidity, rainfall, vegetation and food sources directly influence insect diversity [21,22]. The present study has also revealed that the high variability among insect populations may have occurred due to slight differences in environmental factors or plant composition and numbers may fluctuate greatly within the study area [23]. In addition to normal vegetation the presence of wooden logs at study site supported the growth and survival of many insect species [24].

horticulture-insect-orders

Figure 2: Monthly variation in insect orders of Hirpora wildlife sanctuary (Shopian) during the study period (June-Nov 2013).

Conclusion

Insects are the most abundant and diverse forms of organisms present on the earth. The present study revealed some of the interesting facts about the insect diversity of Hirpora wildlife Sanctuary, Shopian. A total of 338 insect individuals were recorded during the study period. Among the 26 insect species recorded in the study, the Lepidoptera order comprises of 8 species consisting of 94 individuals, while as Hemiptera order and Opthotera order comprised of only 01 species each order consisting of 75 individuals. Maximum numbers of insects were found during the month of July and August while less number of insects was recorded during the month of October and November. During summer maximum number of insects occurs due to the favorable weather and climatic conditions for their survival but the human interference in the form of upcoming construction of Mughal road results into destruction of habitats and food availability which is affecting adversely the overall insect diversity of Sanctuary. Thus, there is an immediate need to take steps to improve its quality so that it can support a variety of life forms.

Acknowledgements

Authors express thanks to Dr. Showket Ahmad Dar and Dr. Khursheed Ahmad, Department of Entomology, Sher-I Kashmir Agricultural University of Science and Technology (SKAUST), Kashmir, for taxonomic identification.

References

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