Results 61 to 70 of about 90,158 (388)

Ecomorphological diversification of the Late Palaeozoic Palaeodictyopterida reveals different larval strategies and amphibious lifestyle in adults [PDF]

open access: yesRoyal Society Open Science, 2019
The Late Palaeozoic insect superorder Palaeodictyopterida exhibits a remarkable disparity of larval ecomorphotypes, enabling these animals to occupy diverse ecological niches.
Jakub Prokop   +6 more
doaj   +1 more source

A Life History Study of Caecilius Aurantiacus (Hagen) (Psocoptera: Caeciliidae) [PDF]

open access: yes, 2017
Caecilius aurantiacus is a common, widely distributed psocid in well established forested areas of North America. Published information on this species is fragmentary and limited primarily to taxonomy.
Dunham, R. Scott
core   +2 more sources

Enemy release: loss of parasites in invasive freshwater bivalves Sinanodonta woodiana and Corbicula fluminea

open access: yesEcography, EarlyView.
Invasive freshwater bivalves harm native species, ecosystems and biodiversity, and incur economic costs. The enemy release hypothesis posits that invasive species are released from enemies during the invasion process, giving them a competitive advantage in the new environment.
Binglin Deng   +8 more
wiley   +1 more source

Sigmodontinae rodents as hosts for larvae and nymphs of Ixodes loricatus Neumann, 1899 (Acari: Ixodidae)

open access: yesParasite, 2004
Larvae and nymphs of Ixodes loricatus Neumann, 1899 ticks (confirmed by morphological characters and by comparison of 16S mitochondrial rDNA sequences) were collected from Sigmodontinae Wagner, rodents in central and northern Argentina and Uruguay.
Nava S.   +6 more
doaj   +1 more source

The Mayfly Family Behningiidae (Ephemeroptera: Ephemeroidea): Keys to the Recent Species With a Catalog of the Family [PDF]

open access: yes, 2017
Keys to the known Recent species of the mayfly family Behningiidae are presented. Also included is a catalog of references to the genera and species of the Behningiidae, along with indications of described stages and geographical ...
Hubbard, Michael D
core   +2 more sources

Monitoring mercury across the National Wildlife Refuge System using a biosentinel approach

open access: yesThe Journal of Wildlife Management, EarlyView.
We measured mercury concentrations in 1,356 dragonfly larvae collected from 30 National Wildlife Refuges across the United States and found wide variability among refuges, spanning the full range reported for other protected lands. Using a management‐focused mercury impairment index, 80% of refuges contained sites classified as moderate or higher risk.
Jennifer L. Wilkening   +8 more
wiley   +1 more source

THE SANCTUARY OF NYMPHS (NYMPHEUM) IN APOLLONIA IN EPIRUS

open access: yesГуманитарные и юридические исследования, 2021
The presented article, dedicated to the sanctuary of the nymphs (Nymphaeum) in Apollonia in Epirus, has never been the subject of research by domestic scientists The diverse and rich nature of Epirus, an area in northwestern Greece, teeming with ...
S. Kazarov
doaj  

Alecanochiton marquesi (Hemiptera: Coccomorpha: Coccidae), a new record for Colombia and Costa Rica, and description of its first-instar nymph

open access: yesCaldasia, 2018
The Marques’ soft scale, Alecanochiton marquesi (Hemiptera: Coccomorpha: Coccidae) is recorded from Colombia and Costa Rica on Sapotaceae (Manilkara zapota) and on Melastomataceae (Conostegia xalapensis, Miconia trinervia, and M. schlimii), respectively.
O. Dix-Luna   +3 more
semanticscholar   +1 more source

Preliminary studies on food and feeding habits of Polypterus endlicheri and Polypterus senegalus in Lake Chad [PDF]

open access: yes, 2004
The food and feeding habits of Polyprerus cncllicheri and Polypterus senegalus was carried out in the months of September to October. The food of 33 Polypierus endlicheri as observed include Tilapia species (89.3%), Eutropius niloticus (28.6%), Mayfly
Maryam, Ahmed T.   +2 more
core  

Heptageniidae (Ephemeroptera) of Wisconsin [PDF]

open access: yes, 2017
(excerpt) Heptageniidae are one of the most abundant and widespread components of Wisconsin\u27s aquatic insect fauna. In almost any stream with a firm substrate and free of gross pollution, the flattened nymphs can be found hiding in crevasses and under
Flowers, R. Wills, Hilsenhoff, William L
core   +3 more sources

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