Banca de DEFESA: JAKELINE ARCANJO DE ARCANJO

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : JAKELINE ARCANJO DE ARCANJO
DATE: 16/08/2023
TIME: 09:00
LOCAL: Auditório NTB, UFOPA/Campus Tapajós
TITLE:

 

Community of Sphingidae (Lepidoptera: Bombycoidea) from an area of Ombrofila Forest in the Tapajós National Forest: wealth, abundance, composition and floating asymmetry

KEY WORDS:
PAGES: 127
BIG AREA: Outra
AREA: Ciências Ambientais
SUMMARY:

 

Sphingidae are extensively studied, however, little is known about their fauna, especially considering that most studies focus only on species that fly in the understory. Sphingidae occur predominantly in the canopy, thus, the evolution of this taxon only in the understory makes it difficult to know its real diversity and ecology. Thus, the present work aimed to describe variations in richness, abundance, composition and fluctuating asymmetry (FA) of canopy Sphingidae occurring in a forested area in the Tapajós National Forest over two different periods. For this, the work was divided into two chapters: the first aimed to compare the dynamics of richness, abundance and composition of the Sphingidae fauna and the second to infer and evaluate variations in the FA of this community. 48 systematic samplings were carried out over two non-consecutive years, the first year of collection (Period 1) occurred between December 2012 and November 2013 and the second (Period 2), between June 2021 and May 2022. chapter the two periods analyzed were analyzed and compared through the description of richness (S), abundance (N), Pielou evenness (J), Shannon diversity index (H'), Berger Parker dominance (BP) and, the wealth estimators “Bootstrap, Chao 2, Jackknife 1 and Jackknife 2”. In the second, the inference of the FA was carried out through the assessment of the differences of two characters (length and width) of the wings (anterior and posterior) of five species, using the formula AF= (D-E). The kurtosis of the DE distributions was continuous to verify the occurrence of FA together with other forms of asymmetry. Spearman's psychology test was performed to verify whether the data obtained were correlated with the quality of the structure. In the first chapter, 255 individuals (N) distributed in 31 species (S) were analyzed. Period 2 was the most abundant (N=166) and the richest (S=27). Erinnyis ello was the most abundant species in both periods, period 2 presented a more diverse, uniform and low dominance Sphingidae fauna (H'= 2.765, J= 0.8388 and BP= 0.242) compared to period ix 1. In Bootstrap periods both obtained the lowest richness estimate (Period 1: 24, Period 2: 30) and Jackknife 2 the highest (Period 1: 35, Period 2: 40). In the second chapter, the size of the structure was not presented with the data referring to the differences between D-E for any of the characters studied. In period 1, only the characters observed in the upper wings showed true patterns of FA, the others showed FA combined with AT. In period 2 the length and width of the fore and hind wings adopted AF combined with AT. Comparing the two winter years, the FA of the two characters observed in the upper wings is greater in period 1. There were no incidents in the lower wings. Knowledge of the Sphingidae fauna helps direct conservation actions, so we encourage further studies to expand knowledge of this community.

COMMITTEE MEMBERS:
Externo ao Programa - 1775862 - ADENOMAR NEVES DE CARVALHO - nullInterno - 1794640 - EDSON VARGA LOPES
Presidente - 1528246 - JOSE AUGUSTO TESTON
Interna - 1995892 - SIRIA LISANDRA DE BARCELOS RIBEIRO