Odonates were surveyed across 10 localities from Western Ghats of Maharashtra State, India during 2011-2013. We recorded 64 species belonging to 40 genera and 12 families. Seven species are new records for the region, and four out of them are new records for Maharashtra State. In this paper, we discuss these species records and their micro-habitats, and update previous knowledge on distribution of odonates.

/pdf/new-records-of-dragonflies-and-damselflies-insecta-odonata-d3px1scply.pdf

New records of dragonflies and damselflies (Insecta: Odonata) from the Western Ghats of Maharashtra, India

Odonata can be sampled following different types of protocols. In Brazil, the most used protocol is the scanning in fixed areas method, where a 100-meter transect is delimited in one of the stream margins, subdivided into 20 segments measuring 5 meters. Despite being universally used, the methodological efficiency or limitations of this protocol for Odonata has never been tested. In this scenario, our objective was to assess the efficiency of the sampling protocol to measure the richness and composition of Odonata in three fundamental aspects: the time of sampling and sampling effort over time and space. We show that the best sampling efficiency was achieved in collections performed at noon, in transects measuring 100 meters, requiring at least two samplings in the same location, supporting the procedures traditionally adopted by many studies with the group. While comparing species composition, we did not see any implication between the different treatments on the capture of the local species pool. However, we highlight and discuss some possible methodological flaws when using this protocol to sample specific Odonata groups. We believe the results obtained are fundamental in the inventory of species and to conduct future studies, as well as to aid conservative measures that use the order Odonata as a tool for environmental monitoring.

/pdf/sampling-efficiency-of-a-protocol-to-measure-odonata-4r80cyp3xq.pdf

Sampling efficiency of a protocol to measure Odonata diversity in tropical streams.

. Cudera RB, Razon BC, Millondaga KJI. 2020. Cultural and ecological significance of Odonata (Insecta) to the T'boli of Lake Sebu, Mindanao, Philippines. Biodiversitas 21: 2536-2554. Lake Sebu in Mindanao, Philippines, covered by the Allah Valley Protected Landscape, is home to the T'boli ethnolinguistic group. This study focuses on the cultural and ecological significance of the Odonata (insect order of dragonflies and damselflies) to the T'boli people who are known to have a close connection to their natural environment. According to the T'boli who participated in-depth interviews and focus group discussions, the Odonate larvae of Family Libellulidae and Aeshnidae known as Kmimi and Ogong El respectively are handpicked by the village members as a food source shared in the community when resources are scarce. The Odonata larvae are also used to cure illnesses and are locally believed to be important components for a love potion. In agriculture, T'boli farmers utilize the adult form of Odonata known as Klowong as natural biocontrol agents. Moreover, the Odonata larvae are prominent images in T'boli oral literature, specifically folklore and lullabies, teaching the children the importance of maintaining a harmonious relationship with nature. The results show that the presence of endemic species of Odonata indicates a healthy freshwater environment in the area; thus, studies on the sustainable use and conservation measures of the Odonata should be conducted.

/pdf/cultural-and-ecological-significance-of-odonata-insecta-to-53ysyknsqk.pdf

Cultural and ecological significance of Odonata (Insecta) to the T'boli of Lake Sebu, Mindanao, Philippines

A survey of water bodies of the Vidarbha region of central India was conducted during 2006-2012. A total of 82 spp. were recorded. The study adds 13 new spp. for the Vidarbha region and 6 spp. for Maharashtra state. Of the total, 23 spp. were abundant or very common, 26 were common, 24 rare and 9 very rare. The study shows that ecological disturbances in Vidarbha due to industrial and human activities are a threat to the odon. fauna. Mortonagrion varralli and Copera ciliata, which were recorded by earlier workers in this region, were not found during this survey. However, protected small and big water bodies used for agriculture and domestic usage provide valuable habitat for Odonata.

Odonata of vidarbha region, maharashtra state, central india

Complementary and protection value of a Biosphere Reserve buffer zone for increasing local representativeness of ground-living arthropods

Odonates diversity in buffer area of Similipal Biosphere Reserve was observed, where we recorded 58 species. Libellulidae was the richest family with 31 species and Orthretum was the most common genera. The sub-order Zygoptera was represented by 23 species and 35 species represents sub-order Anisoptera. Perennial river system with different habitat types provides good opportunities to these wonderful insect groups to flourish and survive. Mostly odonates were aggregated due to habitat specific nature and random distribution indicates availability of resource utilization to survive. But, in the buffer area high anthropogenic disturbances were observed which creates high biotic pressure on forest. A detailed list of odonates recorded from buffer area is presented.

Diversity, Distribution and Species Composition of Odonates in Buffer Areas of Similipal Tiger Reserve, Eastern Ghat, India

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Diversity, Distribution and Species Composition of Odonates in Buffer Areas of Similipal Tiger Reserve, Eastern Ghat, India