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Diversity and Abundance of Parasitic Wasps (insecta: Hymenoptera) of Bangladesh

Mazumdar, S.
Department of Zoology, University of Chittagong, Chittagong 4331, Bangladesh

M. I. Miah
Department of Zoology, University of Chittagong, Chittagong 4331, Bangladesh

Abstract/ Executive Summary:

A survey was conducted to study the diversity and population of parasitic Hymenoptera by using Malaise traps, from March 2014 to February 2015 in Chittagong University and Rajshahi University Campus. A total number of 173 genera was identified under 53 subfamilies, 23 families and 7 super families. Among the super families, the highest percentage of species individuals (59%) in Chalcidoidea, and of genera (55%) in Ichneumonoidea were recorded. The Species Richness (SR), H or H’, Hmax, Evenness, Community dominance and Question of similarity indices were applied to determine the diversity and abundance of parasitic hymenoptera.

Keywords: Parasitic Hymenoptera; Diversity; Abundance; Bangladesh

Location: Chittagong University Campus and Rajshahi University Campus

Start Date: 00-03-2014

End Date: 00-02-2015

Program Area: Pest Management

Commodity: Wasp

Objectives:

The present research program was undertaken to study the diversity and abundance of parasitic wasps in Chittagong University and Rajshahi University Campuses.

Methodology:

Samplings were made weekly from March 2014 to February 2015 by using Malaise trap in Chittagong University Campus (CUC) (Lat. 22.46359°N, Long. 91.7808°E) and Rajshahi University Campus (RUC) (Lat. 24.3742°N, Long. 88.6295°E) based on their unique, different, and distinctly placed regions in Bangladesh. In briefly, CUC consists of about 1753.88 acres of land, of which about 72% land consists of hills and hillocks and remaining are either plains or valleys. The altitude of these hills and hillocks ranges from 10 to 90 m and rest are less than 30 m in height. Chittagong University Campus is situated on the south-eastern edge of Sitakunda hill range. Climate of Campus is typically tropical monsoon, characterized by hot humid summer and dry chilled winter. The region has a mean annual rainfall of about 275 cm, temperature varies from 460F in January to 950F in May. Ecologically, CUC falls under the region of tropical evergreen forest. As a result of which it has changed to present form of unclassed state forest where herbs and shrubs are dominant (CU 2016, FUC 2014, Hossain 2017, Shuvo 2015 and WOCU 2018). Rajshahi University Campus is 753 acres (3 km2); climate is generally marked with monsoons, high temperature, considerable humidity and moderate rainfall; high temperature observed varies from 32 to 36 °C in the month of April to July, and minimum temperature recorded from 7 to 16 °C in January. Highest rainfall is observed during months of monsoon. Annual rainfall is about 1,448 mm (URG 2006, WOUR 2018 and RUA 2018). Many of the collected specimens were identified up to species level and the rest specimens were identified up to genus level using morphological and molecular technique. For morphological identification, mounted specimens were imaged with an Entovision Imaging System. Some doubtful specimens were sent for taxonomic identification and confirmation in the Department of Zoology, Malabar Christian College, Calicut 673001, Kerala, India. The specimens were preserved at Insect Museum of Department of Zoology at Chittagong University. Microsoft Office Excel 2007 was used for statistical analysis.

Source of Information: J. biodivers. conserv. bioresour. manag. 5(2), 2019

Article Link (Online Journal): DOI: https://doi.org/10.3329/jbcbm.v5i2.44915

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Therefore diversity index value of the present study may supports Lotfalizadeh et al. (2016) where the high species richness and Shannon indices, such as an area Interpretation of light trap catches of insects is affected by daily variation in weather that alters flight.

Knowledge Management: Journal