Results 71 to 80 of about 3,299 (201)
River Research and Applications, Volume 40, Issue 10, Page 2022-2034, December 2024.Abstract The presence of sediment‐burrowing clubtail dragonflies (Gomphidae) may be directly related to riverine geomorphic properties. Their synchronous emergence behavior, marked by persistent exuviae, allows for the examination of emerging adult‐stage habitats.
Jessica M. Orlofske +4 more
wiley +1 more source
An annotated catalogue of the Odonata collection of Guido Lanfranco at the National Museum of Natural History in Malta [PDF]
, 2008 An annotated list of the Odonata collection of Guido Lanfranco, is provided. The specimens were captured between 1952 and 1971, and may be the oldest surviving specimens caught and still available in local collections from Malta.
Degabriele, Godwin
core
Species and life stages of Odonata nymphs sampled with large drift nets in two Wisconsin rivers [PDF]
, 2017 Because relatively few nymphs of Odonata are caught in most drift studies, they have been inconsistently reported and little is known about the species and life stages that are predisposed to drift.
DuBois, Bob, Pratt, Dennis
core +2 more sources
Dry season refuges, refugia and flow‐regime change in Mediterranean climate streams
Freshwater Biology, Volume 69, Issue 11, Page 1607-1626, November 2024.Abstract Climate change is causing stream flow regimes to change in many regions globally, including southwestern Australia (SWA) where many perennial streams have switched to intermittent flow regimes. In drier landscapes, ecological refuges and evolutionary refugia will become critical for conserving freshwater biodiversity.
N. Carey, E. T. Chester, B. J. Robson
wiley +1 more source
Underwater and epilithic oviposition by Australian Aeshnidae (Odonata)
International Journal of Odonatology, 2004 La Trobe University Faculty of Science, Technology and Engineering Murray Darling Freshwater Research CentreMDFRC item.In this article we report underwater oviposition and epilithic oviposition in Anisoptera. We observed Notoaeschna sagittata totally submerged ovipositing on bare rock in the fast current of a rapid.
Hawking, John. +4 more
openaire +1 more source
Journal of Threatened Taxa, 2015 Gynacantha subinterrupta Rambu 1842 is first time recorded from Bangladesh. The species is described from two male specimens collected from Tilagor Eco Park, Sylhet. Description, identification keys and distribution range of the species is provided.
M. Kawsar Khan
doaj +3 more sources
A new pentatomoid bug from the Ypresian of Patagonia, Argentina [PDF]
, 2016 A new pentatomoid heteropteran, Chinchekoala qunita gen. et sp. nov. is described from the lower Eocene of Laguna del Hunco, Patagonia, Argentina. The new genus is mainly characterised by cephalic characters such as the mandibular plates surpassing the ...
Petrulevicius, Julian Fernando
core +3 more sources
Larvae of the Genus Gomphaeschna (Odonata: Aeshnidae)
The Florida Entomologist, 1977 Larvae of the 2 species of Gomphaeschna are extremely similar but can be differentiated as follows: G. furcillata (Say) has 6 segmented antennae and pale dorso-lateral spots on thorax and abdomen. G. antilope Hagen has 7 segmented antennae and no pale spots. Larvae of both species live clinging to the underside of logs in Taxodium-Sphagnum swamps.
openaire +1 more source
Anax panybeus Hagen, 1867: an addition to the Odonata (Aeshnidae) of India
Journal of Threatened Taxa, 2013 A new record of Indian dragonfly fauna- Anax panybeus Hagen, 1867 is reported from Andaman and Nicobar Islands. Two male specimens of this species were identified from National Zoological Collection, Zoological Survey of India, Kolkata.
T.R. Mitra, R. Babu, K.A. Subramanian
doaj +1 more source