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10 results for “Calopteryx splendens”
Fig. 1 in Change Of Morphometric And Allometric Patterns On Wings Of Banded Demoiselle (Calopteryx Splendens) Males In Case Of Ecologically Different Watercourse Types
Fig. 1. The typical appearance of watercourse types in Northeast Hungary (A = creek, B = brook, C = stream, D = little river, E = medial river). (Photo: Miskolczi, M.)
Fig. 5 in Change Of Morphometric And Allometric Patterns On Wings Of Banded Demoiselle (Calopteryx Splendens) Males In Case Of Ecologically Different Watercourse Types
Fig. 5. PCA with watercourse type, for fore and hind wing (1. component = 77.66%; 2. component = 11.70%) (filled symbols: fore wing, empty symbols: hind wing). Symbols:
Fig. 2 in Change Of Morphometric And Allometric Patterns On Wings Of Banded Demoiselle (Calopteryx Splendens) Males In Case Of Ecologically Different Watercourse Types
Fig. 2. Measuring points on the right fore wing of Calopteryx splendens males (A = landmarks related to size and shape measurements, B = landmarks related to measurements on
Phenotypic variation in male Calopteryx splendens damselflies: The role of wing pigmentation and body size in thermoregulation
<p class="ListParagraph1">For an ectothermic insect, its color and size are important determinants of body temperature: dark colors absorb heat more efficiently, while larger bodies require more heat to reach a certain temperature. These dark colors are expressed using melanin, which has been intimately linked with an insect's thermoregulatory capabilities. Melanin is also linked with immune defense and is often used as a secondary sexual character in insects. There is a potential trade-off situation between thermoregulatory capabilities, immune defence and secondary sexual characters, all of which use melanin. Some <i>Calopteryx</i> damselflies, such as <i>Calopteryx splendens</i>, have melanin-based wing pigmentation that is sexually selected and drives intra- and interspecific territorial aggressions. Our goal was to experimentally study how the wing pigmentation and body size of <i>C. splendens</i> males affect their thermoregulation and especially their ability to become active after being cooled down. Our results are in line with our hypotheses showing that (<i>i</i>) individuals with larger wing spots had significantly faster activation times than those with smaller wing spots, and (<i>ii</i>) individuals with larger body size had significantly slower activation times than those with smaller body size. Both variables showed an interaction and thus are important in damselfly warm up and activation. We discuss the role wing pigmentation and thermoregulation can have on the behavioral patterns observed in <i>Calopteryx</i> species.</p>
Phenotypic variation in male Calopteryx splendens damselflies: The role of wing pigmentation and body size in thermoregulation
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Data from: Predator-mediated natural selection on the wings of the damselfly Calopteryx splendens: differences in selection among trait types
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Fig. 6 in Change Of Morphometric And Allometric Patterns On Wings Of Banded Demoiselle (Calopteryx Splendens) Males In Case Of Ecologically Different Watercourse Types
Fig. 6. Patterns of allometric features at different watercourse types. White bars = no allometry, grey bars = isoallometry, black bars = hyperallometry
Calopteryx splendens personality in the wild
<p>We studied nine behavioural traits, in the damselfly <i>Calopteryx splendens,</i> from an array of three experiments: (i) courtship, (ii) aggressiveness and (iii) boldness, and calculated their repeatability. The behaviours were measured twice, in two different contexts: (i) undisturbed territory and (ii) partially deteriorated territory. Traits related to courtship and boldness were all repeatable across the two contexts. Among aggressive behaviours only one trait (number of hits) <span>was repeatable. </span></p>
Calopteryx splendens personality in the wild
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Calopteryx splendens
<u>Source</u>: Flickr <br><u>4DCity URL</u>: <a href="https://4dcity.org/imgupload/1665391734.5408.jpg">https://4dcity.org/imgupload/1665391734.5408.jpg</a> <br><u>Original Image URL</u>: <a href="https://live.staticflickr.com/1921/43708802120_795055d120_m.jpg">https://live.staticflickr.com/1921/43708802120_795055d120_m.jpg</a> <br><br><u>Image-Metadata:</u><br>Filename: 1665391734.5408.jpg<br>Image Dimensions: 240x160<br>Megapixels: 0.04 MP<br>Filesize: 14.42 KB<br>
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