Results 31 to 40 of about 5,418 (200)

New State Record and Notable Range Extension for \u3ci\u3eLibellula Semifasciata\u3c/i\u3e (Odonata: Libellulidae) [PDF]

open access: yes, 2018
The painted skimmer, Libellula semifasciata Burmeister (Odonata: Libellulidae), is an eastern species of dragonfly that has never been documented in Iowa.
Dixon, Joseph W   +2 more
core   +2 more sources

Dragonflies Caught by Plants (Odonata, Libellulidae) [PDF]

open access: yesEntomologia Generalis, 2008
Observations of a male of Crosothemis erythraea (Brulle 1832) which was caught by the plant Silene inaperia (Caryophyllales: Caryophyllaceae) are reported. This plant presents sticky secretions on the stem, with seemingly defensive functions against herbivory. The dragonfly was caught when sticking the four wings to the stems of several plants.
Antonio Torralba-Burrial   +1 more
openaire   +1 more source

\u3ci\u3eGomphus Spicatus\u3c/i\u3e (Odonata: Gomphidae) Rediscovered in Illinois and \u3ci\u3eLibellula Semifasciata\u3c/i\u3e (Odonata: Libellulidae) Recorded Near Wisconsin [PDF]

open access: yes, 2018
(excerpt) Gomphus spicatus Hagen (Odonata: Gomphidae), commonly called dusky clubtail, is a common and widely distributed dragonfly in a variety of ponds, lakes, and slow streams throughout its range in the north-eastern and northcentral United States ...
DuBois, Robert B, Stettner, Craig R
core   +2 more sources

Diagnostic Efficacy of Morphological Characters of Larval \u3ci\u3eTramea Lacerata\u3c/i\u3e Hagen and \u3ci\u3eTramea Onusta\u3c/i\u3e Hagen (Odonata: Libellulidae) in the Prairie Region of Missouri [PDF]

open access: yes, 2018
Distinguishing among species of larvae of the dragonfly genus Tramea historically has been problematic, largely due to conflicting characterizations of the larvae of T. lacerata Hagen and T. onusta Hagen (Odonata: Libellulidae) in the literature.
Landwer, Brett H. P, Sites, Robert W
core   +2 more sources

The application of predictive modelling for determining bio-environmental factors affecting the distribution of blackflies (Diptera: Simuliidae) in the Gilgel Gibe watershed in Southwest Ethiopia [PDF]

open access: yes, 2014
Blackflies are important macroinvertebrate groups from a public health as well as ecological point of view. Determining the biological and environmental factors favouring or inhibiting the existence of blackflies could facilitate biomonitoring of rivers ...
A Ambelu   +40 more
core   +4 more sources

Diversity of the Anisoptera & Zygoptera (Odonata: Insecta) of Swat, Pakistan

open access: yesBrazilian Journal of Biology, 2021
Odonates are important biological control agents for the control of insect pests and insect disease vectors of medical and veterinary importance. The present study was conducted to evaluate the odonate fauna of Swat, Pakistan from March to October 2019 ...
M. Attaullah   +9 more
doaj   +1 more source

Form-function relationships in dragonfly mandibles under an evolutionary perspective [PDF]

open access: yes, 2017
© 2017 The Author(s). Functional requirements may constrain phenotypic diversification or foster it. For insect mouthparts, the quantification of the relationship between shape and function in an evolutionary framework remained largely unexplored.
Blanke, Alexander   +4 more
core   +2 more sources

\u3ci\u3eNeurocordulia (Platycordulia) Xanthosoma\u3c/i\u3e (Williamson) in Texas (Odonata: Libellulidae: Corduliinae) [PDF]

open access: yes, 2017
(excerpt) The rarity of a species is usually judged by the number of specimens in collections, both private and institutional, and the number of places where it has been found or seen. On this basis, Neurocordulia xanthosoma (Williamson) is rare.
Williams, Curtis E
core   +2 more sources

Dragonflies and damselflies (Insecta: Odonata) of Chhattisgarh, India [PDF]

open access: yesCheck List, 2014
The present study on the Odonata (Insecta) of Chhattisgarh, India, documents eighty-five species including thirteen new records to the state. Three species — Cyclogomphus heterostylus Selys, 1854, Macrogomphus seductus Fraser, 1926 (Gomphidae) and ...
Prosenjit Dawn, Kailash Chandra
doaj   +3 more sources

Odonata Collected with a Mist Net in Baraga County, Michigan, including a New Record for the Upper Peninsula [PDF]

open access: yes, 2017
Excerpt: In the summer of 1966, a study of the interrelation of birds and forest insects was initiated at Michigan Technological University. Japanese mist nets were used, among other methods, to make population estimates of birds.
Sloan, Norman F
core   +2 more sources

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