Tags » Invertebrates

Sunny spring days ...

… mean sun orchids!

There is a spot on the way to Campbelltown, in the Sandon State Forest, where Scented Sun-orchids Thelymitra megcalyptra, can be found in profusion at this time of year. 73 more words

Flora

Sympetrum Meadowhawks

The red meadowhawk dragonflies are difficult to identify in the field, since several members of the genus Sympetrum look rather similar.But I figured these out because of the legs. 57 more words

Fieldnotes

Microscopes Are The New Iphone. Well At Least They Should Be

Microscopes are just downright awesome. I took this picture with a microscope I bought for $24 at an antique store. (They were lenient on their definition of “antique”) I took the picture with my phone, which did take a while to get it situated. 230 more words

Captains Log

Ichneumon wasp larvae leave caterpillar, video

This video says about itself (translated):

September 30 2014

An ichneumon wasp has deposited its eggs in this caterpillar. The larvae then eat their hosts from the inside.

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Environment

10-1-14 Giant Sea Star from Ron's Echinoderm Series

TAXONOMY
Kingdom: Animalia
Phylum: Echinodermata
Class Asteroidea
Order: Forcipulatida
Family: Asteriidae

Genus/species: Pisaster giganteus

 GENERAL CHARACTERISTICS: Giant sea stars have five arms covered with white, pink, or purple spines surrounded by blue tissue at the base, and range in color from red, orange, brown, or even green. 276 more words

TEMPERATE MARINE

Mine spoil spoils downstream ecology

The central Appalachian area of the USA, in the states of Virginia, West Virginia and Kentucky, is a global hotspot of freshwater fish biodiversity. However, since the 1960s, Appalachian environments have been threatened by mountaintop mining, which has expanded greatly in recent years and is now the main cause of landuse change in the region. 199 more words

Invertebrates

When prey aggregation is too risky

As studies on the behavioural ecology of predator-prey interactions have progressed, a deep rift has opened up between two apparently contradictory traditions. One tradition is based on the assumption that by aggregating, prey animals reduce their individual predation risk, while the other tradition is based on the expectation that predators should feed in patches with the highest density of prey. 277 more words

Fish