Results 51 to 60 of about 7,683 (208)
Use of stable isotopes to assess the intraspecific foraging niche of males and female colour morphs of the damselfly Enallagma hageni [PDF]
, 2013 Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/102631/1/een12075 ...
Fincke, Ola M. +2 more
core +1 more source
Flooding affects fluctuating asymmetry but not growth of a riparian orbweaving spider
Ecological Entomology, EarlyView.In a mesocosm experiment we assessed the impact of flood on aquatic insect emergence and on spider development using geometric morphometric analysis of fluctuating asymmetry. We observed 45% higher emergence in flooded mesocosm throughout the season. Spiders did not grow bigger but exhibited ~15% lower fluctuating asymmetry than in controls.
Stephane Mutel +10 more
wiley +1 more source
Frontiers in Ecology and Evolution, 2021 Citizen science is essential for nationwide ecological surveys of species distribution. While the accuracy of the information collected by beginner participants is not guaranteed, it is important to develop an automated system to assist species ...
Jianqiang Sun +2 more
doaj +1 more source
The first fossil Perilestidae (Odonata: Zygoptera) from mid-Cretaceous Burmese amber [PDF]
, 2016 postprin
Chang, S +4 more
core +3 more sources
Cost of parasite exposure depends on host ontogeny 寄生接觸的代價依賴於宿主發育階段
Ecological Entomology, EarlyView.The cost of parasite exposure varies across host developmental stages, demonstrating that ontogeny influences the expression of non‐consumptive effects (NCEs). Mite exposure resulted in consumptive effects in fly eggs and NCEs in early‐stage pupae; mite longevity was comparable when provisioned with pupae or water but increased when provisioned with ...
Lisa R. MacLeod +2 more
wiley +1 more source
Ecological Entomology, EarlyView.Salty conditions in urban stormwater ponds can influence dispersal timing in species‐specific ways for actively dispersing aquatic heteropteran insects. Assaying multiple aspects of dispersal propensity, Hesperocorixa obliqua emigrated earlier in stormwater pond conditions while overall probabilities remained unchanged; Notonecta undulata emigration ...
Ilia Maria C. Ferzoco +1 more
wiley +1 more source
Ecosphere, 2018 Odonate (damselfly and dragonfly) species richness and species occupancy frequency distributions (SOFDs) were analyzed in relation to geographical location in standing waters (lakes and ponds) in Fennoscandia, from southern Sweden to central Finland.
Esa Korkeamäki +4 more
doaj +1 more source
Sex- and morph-specific predation risk: Colour or behaviour dependency?
European Journal of Entomology, 2004 The coexistence of discrete morphs within a species, with one morph more conspicuous than the other(s) is often thought to result from both sexual selection and predation.
Hans VAN GOSSUM +3 more
doaj +1 more source
Strong geographical variation in wing aspect ratio of a damselfly, Calopteryx maculata (Odonata: Zygoptera) [PDF]
, 2015 Geographical patterns in body size have been described across a wide range of species, leading to the development of a series of fundamental biological rules.
Alerstam +55 more
core +3 more sources
Ethology, EarlyView.In Acanthagrion lancea damselflies, both sexes display blue ornamentation, but do they choose mates based on it? We tested whether mutual mate choice and time constraints influence ornament evolution. Blue coloration correlated with individual quality, but individuals did not choose mates based on color, and this was unaffected by time constraints over
Maria C. A. Melillo +3 more
wiley +1 more source