(a) Number of observation records per 500-m elevational band. (b) Number of genera and the number of their observation records in the database. (c) Cumulative number of observation records of each ...

ALMOST any collection of freshwater animals will contain a high proportion of insects in the larval or nymphal stage,and a number of these cannot, at present, be named with certainty. The work of many ...

A reproducible centrifuge drying method for determining live or preserved weights of aquatic insect larvae is described. An attempt was made of derive a conversion factor for weight loss in ...

Investigations of larval aquatic Diptera(Chironomidae, Simuliidae, Culicidae),Coleoptera (Scirtidae), and Plecoptera (Gripopterygidae, Notonemouridae) in Buenos Aries Province and three Provinces in ...

With striking high-speed video footage, scientists have for the first time detailed how predatory mosquito larvae attack and capture prey in aquatic habitats. This new research sheds light on behavior ...

Likening it to providing more runways at busy airports, researchers at North Carolina State University found in a new study that adding protruding rocks to restored streams can help attract female ...

15. Fresh-water fishes -- Definitions and counts of fish structures -- Key 15A : Fresh-water fishes -- Plate 15A : Fish structures -- Key 15B : Trout (Salmo) and Charrs (Salvelinus) -- Plate 15B : ...

Caddisfly adults only live for about a month. Females lay their eggs in water, where the larvae hatch and swim. Entomology has a permanent souvenir of the Covid-19 pandemic in the form of a ...