Results 21 to 30 of about 5,418 (200)

Gynandromorphism in the Odonata [PDF]

open access: yes, 2017
In the Odonata, gynandromorphism has been rarely observed or mentioned in the literature. In 1929, Ris reported that only three cases were known to him. Two were in the Calopterygidae, and one in the Libellulidae. Since the gynandromorphic specimens have
Gloyd, Leonora K.
core   +2 more sources

Complete mitochondrial genome sequence of Bekko Tombo Libellula angelina Selys, 1883 (Odonata: Libellulidae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
The dragonfly Libellula angelina Selys, 1883 (Odonata: Libellulidae) has been listed as a critically endangered species by the International Union for Conservation of Nature (IUCN) and is also an endangered insect in South Korea.
Iksoo Kim, Su Yeon Jeong, Min Jee Kim
doaj   +1 more source

Occurrence of Libellulid Dragonflies (Odonata: Libellulidae) in Southeastern Michigan and Adjacent Essex County, Ontario [PDF]

open access: yes, 2017
During 1994-1995 extensive field work was conducted in southeastern Michigan in an attempt to assess the species population and composition of libellulid dragonflies.
Kielb, Michael A
core   +3 more sources

Diversity of two families Libellulidae and Coenagrionidae (Odonata) in Regional Institute of Education Campus, Bhubaneswar, Odisha, India

open access: yesJournal of Threatened Taxa, 2017
Libellulidae and Coenagrionidae are the most dominant families among dragonflies and damselflies.  The present study deals with the diversity, occurrence and present status of libellulids and coenagrionids within the Regional Institute of Education ...
Priyamvada Pandey   +1 more
doaj   +1 more source

\u3ci\u3eTramea Calverti\u3c/i\u3e (Odonata: Libellulidae): New for Michigan With Notes on Other New Reports for the Great Lakes Region [PDF]

open access: yes, 2018
Beginning in late summer 2010, the Neotropical dragonfly Tramea calverti Muttkowski, striped saddlebags, was observed in a major northward movement in eastern North America. This species appeared for the first time in three Great Lakes states and Canada (
Craves, Julie A, O\u27Brien, Darrin
core   +2 more sources

Dragonfly Inventory and Active Time in Kasang Kulim Zoo Area, Riau, Indonesia

open access: yesBioeksperimen: Jurnal Penelitian Biologi, 2023
Dragonflies have an important role in ecosystem balance as biological control agents and environmental bioindicators because they are sensitive to changes in water quality.
Miranda Delithalia, Radith Mahatma
doaj   +1 more source

Second Location for Two Rare Odonata in Ohio, \u3ci\u3eNannothemis Bella\u3c/i\u3e and \u3ci\u3eLadona Julia\u3c/i\u3e, (Odonata: Libellulidae) Discovered at Singer Lake Bog, Summit County, Ohio. [PDF]

open access: yes, 2018
Previously the dragonflies (Odonata, Libellulidae) Ladona julia and Nannothemis bella were known in Ohio from only one extant population each: L. julia from extreme northwest Ohio in Williams County and N. bella from west-central Ohio in Champaign County.
Chapman, Eric, Glotzhober, Robert C
core   +2 more sources

Motorway as a barrier to dispersal of the threatened dragonfly Sympetrum depressiusculum (Odonata: Libellulidae): Consequence of mortality or crossing avoidance?

open access: yesEuropean Journal of Entomology, 2017
Infrastructure is one of the main causes of landscape fragmentation, which results in isolation and loss of populations. Although the negative effect of roads on insects is well documented, only a minority of studies has focused on roads in the context ...
Hana ŠIGUTOVÁ   +3 more
doaj   +1 more source

The complete mitochondrial genome of Sympetrum striolatum (Odonata: Libellulidae) and phylogenetic analysis

open access: yesMitochondrial DNA. Part B. Resources, 2020
Here, we sequenced and annotated the complete mitogenome of Sympetrum striolatum (Odonata: Libellulidae). This mitogenome is 15,435 bp in length, consisting of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA unit genes, and
Run-Qiu Feng   +5 more
doaj   +1 more source

Leveraging Massive Opportunistically Collected Datasets to Study Species Communities in Space and Time. [PDF]

open access: yesEcol Lett
We present a spatiotemporal joint species distribution model to analyse large‐scale opportunistically collected biodiversity data. Our model addresses variable detection probabilities across visits and species by modelling phenological patterns and by extending the use of latent variables to characterise observer‐specific detection and reporting ...
Fajgenblat M   +8 more
europepmc   +2 more sources

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