Abstract: We present the first listing of odonatan species (Insecta: Odonata) that occur in state Paraíba, Brazil. There are 49 and 29 genera registered, making Paraíba third number among Brazilian states northeastern region. The families with largest were Libellulidae, 31 15 genera, followed by Coenagrionidae 11 7 genera. Interior regions under-sampled, which should still lead to an underestim...

Insect diversity is believed to be used as a bio-indicator of spring quality, this study aimed at determining the insect around Mutis Timau Nature Reserve. The was conducted from June August 2019. Insects were caught by using yellow pan trap and hand sorting. insects determined based on Shannon-Wiener index (H'), species richness (R1), dominance (D), evenness (E). results showed that 16 belong ...

Questions: Do larvae of a dragonfly with a broad habitat distribution have longer abdominal spines when they co-exist with fish, and are these differences the result of phenotypic plasticity? Hypothesis: Phenotypic plasticity will result in larvae having longer spines when they are exposed to cues from predatory fish. Organism: Larvae of Leucorrhinia intacta (Odonata: Libellulidae). Research si...

Oviposition site location may be affected by (1) factors influencing the costs and benefits to the offspring (e.g., resource availability, competition, predation risk) and (2) factors influencing the costs and benefits to the female (e.g., predation risk or mate harassment). In cases in which both the male and female are involved in locating a site, costs and benefits may differ for each parent...