Results 71 to 80 of about 5,797 (201)
Gynandromorphs in the genera Ophiogomphus Selys, 1854 and Ischnura Charpentier, 1840 (Odonata: Gomphidae,Coenagrionidae) [PDF]
, 2009 A gynandromorph of Ophiogomphus smithi Tennessen and Vogt from Wisconsin and a gynandromorph of Ischnura hastata (Say) from Alabama are described. The specimens appear to be bilateral in that they display mostly left/right separation of male and female ...
Tennessen, K. J.
core
Monitoring von Populationen der Helm-Azurjungfer Coenagrion mercuriale (Odonata: Coenagrionidae) : was taugen zwei Begehungen pro Saison? [PDF]
, 2012 Schutzmassnahmen für bedrohte Kleinlibellenarten werden für die Erfolgskontrolle oft von einem minimalen Monitoring mit zwei Begehungen pro Jahr begleitet. Dabei wird die Anzahl Imagines erfasst.
Hepenstrick, Daniel +2 more
core +1 more source
Odonata larvae of Keibul Lamjao National Park, Manipur, northeastern India
Journal of Threatened Taxa, 2014 Odonata larvae were collected from Keibul Lamjao National Park, Manipur, northeastern India during 2009-2011. The study recorded 15 species of Odonata larvae belonging to the anisopteran families Aeshnidae, Libellulidae and zygopteran families ...
K. Takhelmayum, S. Gupta
doaj +1 more source
Morph-Specific Fecundity and Egg Size in the Female-Dimorphic Damselfly Ischnura senegalensis [PDF]
, 2010 Females of coenagrionid damselflies exhibit color dimorphism, consisting of an andromorph and a gynomorph. This study compared reproductive traits between the female morphs in both field-captured and laboratory-reared females of the female-dimorphic ...
Takahashi Yuma +3 more
core +1 more source
Freshwater Biology, Volume 70, Issue 7, July 2025.ABSTRACT Aquatic insects are an abundant, yet declining, taxonomically heterogeneous group with special importance in both aquatic and terrestrial ecosystems. Accurate estimations of insect biomass during their aquatic life stages are essential to advance our fundamental knowledge about insects, their roles in ecosystems, and their vulnerability to ...
Casper H. A. van Leeuwen +4 more
wiley +1 more source
Previously unpublished Odonata records from Sarawak, Borneo : part 1, Kuching Division excluding Kubah National Park, and Samarahan Division [PDF]
, 2013 Records of Odonata from Kuching and Samarahan, the western administrative divisions of Sarawak in Malaysian Borneo, are presented. Forty-two species are listed from Bako National Park, and eighty-nine species are listed from various other locations ...
Dow, Rory A., Reels, Graham T.
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Predicting the distributions of under-recorded Odonata using species distribution models [PDF]
, 2012 1. Absences in distributional data may result either from the true absence of a species or from a false absence due to lack of recording effort. I use general linear models (GLMs) and species distribution models (SDMs) to investigate this problem in ...
Abbott J.C. +10 more
core +1 more source
Invasive species invoke a lifetime of trophic change in native stream fishes
Ecosphere, Volume 16, Issue 6, June 2025.Abstract Trophic interactions operate across the lifetime of an individual organism, yet our understanding of these processes is largely limited to a single life stage or moment in time. Management and conservation implications of this knowledge gap are particularly important, given the mounting number, spread, and ecological impacts of invasive ...
Jessica O. Diallo, Julian D. Olden
wiley +1 more source
Revista de la Sociedad Entomológica Argentina, 2007 El género neotropical Acanthagrion Selys (Odonata: Coenagrionidae) está integrado por 41 especies. Hasta el momento sólo se ha descripto el último estadio larval de ocho de ellas.
Federico Lozano +2 more
doaj
Wellcome Open ResearchWe present a genome assembly from an individual male Pyrrhosoma nymphula (the Large Red Damselfly; Arthropoda; Insecta; Odonata; Coenagrionidae). The genome sequence is 2,117.2 megabases in span.
Denise C. Wawman, Liam M. Crowley
doaj +1 more source