Plecoptera


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Noun1.Plecoptera - stoneflies
animal order - the order of animals
class Hexapoda, class Insecta, Hexapoda, Insecta - insects; about five-sixths of all known animal species
plecopteran, stone fly, stonefly - primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones
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References in periodicals archive ?
A diferencia, el indice EPT calcula la calidad de agua con base en la riqueza de Ephemeroptera, Plecoptera y Trichoptera, lo que hace que este indice sea util en la deteccion de perturbaciones mas sutiles, asi como evidenciado por otros autores (ALVAREZ & PEREZ, 2007, BARRIONUEVO et al., 2007).
Insecta were well represented, accounting for 49% of prey items including 8 orders: Coleoptera, Diptera, Ephemeroptera, Hemiptera (including "Homoptera"), Hymenoptera, Lepidoptera, Plecoptera, and Trichoptera.
A new genus of Permian Plecoptera (Afroperla) from KwaZulu-Natal, South Africa.
Ephemeroptera, Plecoptera, and Trichoptera (EPT) and Chironomidae were further identified to sub-family, tribe, or genus (where possible) using a Nikon SMZ1500 stereomicroscope and referring to Morihara and McCafferty (1979), Oliver and Roussel (1983), Wiederholm (1983), Epler (2001), Rier-adevall and Brooks (2001), and Brooks et al.
Order Families Species % of Specimens % of Insect (n = 877) Insect (n = 13,162) Specimens Species Protura 1 1 0.11 31 0.24 Collembola 10 57 6.50 4315 32.78 Diplura 1 1 0.11 6 0.05 Odonata 4 12 1.37 47 0.36 Phasmida 1 2 0.23 6 0.05 Orthoptera 5 13 1.48 115 0.87 Blattaria 1 2 0.23 42 0.32 Isoptera 1 1 0.11 1 ~ 0 Plecoptera 1 2 0.23 2 0.02 Psocoptera 1 6 0.68 34 0.26 Hemiptera 28 117 13.30 855 6.49 Thysanoptera 1 2 0.34 3 0.02 Ncuroptera 4 5 0.57 28 0.21 Coleoptera 58 386 44.01 5539 42.08 Mecoptera 2 3 0.34 5 0.04 Diptcra 36 122 13.91 892 6.78 Trichoptera 4 7 0.80 19 0.14 Lepidoptera 18 82 9.23 260 1.98 Hymenoptera 16 57 6.50 962 7.31
As he sorts, he counts the groups of various creatures: 23 Ephemeroptera (mayflies), 18 Plecoptera (stoneflies) and 15 Trichoptera (caddisflies), among others.
(2006) registraram, para rios da regiao central do Rio Grande do Sul, que tambem abastecem o setor orizicola, uma riqueza de 61 taxons, incluindo familias de Ephemeroptera, Plecoptera e Trichoptera (Insecta) e a familia Aeglidae (Crustacea: Decapoda), grupos geralmente associados com boa qualidade de agua.
Key words: Plecoptera, Perlodidae, Cultus, nymphs, eastern North America.
The Invertebrate Community Index (Ohio EPA 1989) and Qualitative EPT richness index (the sum of the number of Ephemeroptera (mayflies), Plecoptera (stoneflies), and Trichoptera (caddisflies) taxa present) are high both upstream and downstream of the Flat Branch.