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Life Science Research and Sustainable Development ISBN: 978-98-84663-33-9

RESULTS AND DISCUSSIONS
The physico – Chemical parameters shows in the Table No. I and Aquatic insects in Table
No. II.
Table No. II
List of Aquatic Insects

Sr. No Name of the Aquatic (Insect)
Common Name Scientific Name
1 Back Swimmer Anisop
2 Dragon fly nymph -
3 Water Stick Insect Ranatra
4 Water Boatman Corixa
5 Olive bettle Cybister
6 Water bug Water Scorpion

The air temp, shows lowest range in the month of December and highest in the month
May. The humidity ranges between highest in the month of Feb and lowest in the month of Jan.
The water temp. lowest recorded in the month of Dec 25 C and highest in the month of June 35.1
0
0 C, pH rangest between 7.1 to 8.3, DO recorded highest in the month of February and lowest in
the month of April.
The free CO2 recorded highest in month of March and lowest in Sept. the alkalinity ranges
between 151 (Sept) to 266 (Aug). The Hardness shows higher in July and lower in Nov. the
Chloride recorded higher in April and lower in Sept.
The mg shows range between 5.20 to 94.1 the phosphate recorded higher in June and
lowest in Aug.
Near about seven species of Aquatic insects were found during the period of investigation
i.e. Back swimmers, Dragon fly nymph, water stick insect, water boatman, olive beetle, water bug
etc. these 3 are the harmful to the fishes.

ACKNOWLEDGEMENT
Authors are thankful to the Principal and Institution for providing necessary library and
Laboratory facilities.

REFERENCES
• APHA, AWWA, WPCF, (1985): Standard Method for examination of water and waste water
16 Edn. American public Health Association Inc. New York P1268.
th
• Kaushik, S. Sharma S.M.N. Saxena and Saksena, D.N.(1990): Abundance of insects in relation
to physico chemical characteristic of pond water of Gwalior.
• Kodarkar, M.S. (1995): Conservation of lakes IAAB Publ. No. 2 IAAB, Hyderabad, PP 82.
• Kumar, Arvind, (1994): Role of Species diversity of aquatic insect in the assessment of
population in wetlands of Santhal pargans (Bihar) J. Environment and Pollution, 1 (3and4) :
117-120, J. Freshwater Biol., 8:241-246.
• Lamberti, G.A. and Moore, J.W. (1984): Aquatic insect as primary consumers In the ecology
of Aquatic insects (Eds). V.H. Resh. and D.M. Rosen berg. Prager Publishers, New York, P
164-195.

https://jesjalna.org/Zoology-Publications/index.html 79 Department of Zoology, J. E. S. College, Jalna