Journal of Food, Agriculture and Environment

Population dynamics, abundance and species diversity of fruit flies (Tephritidae: Diptera) in northern Karnataka

Author(s):

Shreedevi S. Jukthihiremath, Shivaleela Biradar, Srusthi S. Chovadapur, Tejashwini R. Hipparagi, Babu R. Lamani

Recieved Date: 2022-07-20, Accepted Date: 2022-09-24

Abstract:

Fruit flies are the one of the important pests infesting many fruit crops in India and world. It is essential to know the abundance, species diversity, influence of weather factors on the fruit fly abundance for the effective management of fruit fly. In the present study, an attempt was made to study the abundance, species diversity, influence of weather factors in Vijayapura, Yadagiri and Raichur district. In Yadgiri district highest mean fruit flies were collected during the month of December 2019 and December 2020 with 470 fruit flies/ trap and 544 fruit flies/ trap respectively. In Vijayapura district, mean number of fruit flies were recorded highest in the month of August 2019 and September 2020 with 661 and 656 fruit flies/trap respectively. In Raichur district maximum mean fruit fly population were recorded in December 2019 and January 2020 with 280 and 243 fruit flies/ trap, respectively. Among total fruit flies population in all three districts, most dominant fruit fly species was Bactrocera. dorsalis (55.22%), followed by the B. correcta (33.60%), B. zonata (6.13%) and Zeugodacus cucurbitae (5.03%). Biodiversity indexes indicates that, maximum Shannon-Wiener index (H’), was found in the Raichur (1.18), followed by Yadagiri and Vijayapura. Maximum evenness (E) was found in the Raichur (0.85), followed by Yadagiri and Vijayapura. Maximum Dominance index (D) was found in the Raichur (0.64), followed by Yadagiri and Vijayapura. Simpson’s index (D) index was minimum in Raichur with 0.36, which was followed by Yadagiri (0.46) and Vijayapura (0.56), respectively. Simpson’s reciprocal index was found maximum in Raichur (2.79), followed by followed by Yadagiri and Vijayapura 2.24 and 1.79, respectively. Correlation analysis showed that overall fruit fly population of all districts were significantly positively correlated with minimum temperature, minimum relative humidity and rain fall, negatively correlated with maximum temperature, maximum relative humidity. Multiple linear regression analysis showed that, fruit fly population in Yadagiri, Raichur and Vijayapura districts were influenced by the all the weather factors to the tune ranged from 42.00 to 49.10%, 23.6 to 58.60% and 22.40 to 41.90%, respectively.

Keywords:

Survey, fruit flies, population dynamics, abundance, Bactrocera dorsalis, B. correcta, B. zonata

---

Journal: Journal of Food, Agriculture and Environment
Year: 2022
Volume: 20
Issue: 3&4
Category: Environment
Pages: 99-104

---

Full text for Subscribers

---

Information:

Note to users

The requested document is freely available only to subscribers / registered users with an online subscription to this Journal. If you have set up a personal subscription to this title please enter your user name and password (https://www.wflpublisher.com/Pages/subscription-procedure). All abstracts are available for free.

Article purchasing

If you like to purchase this specific document such as article, visit the site https://www.wflpublisher.com/Journal. Software and compilation, Science & Technology, all rights reserved. Your use of this website details or service is governed by terms of use. Authors are invited to check from time to time news or information.

---

Purchase this Article:   20 Purchase PDF Order Reprints for 15

---

Share this article :