Tag Archives: insects

One Step Forward, One Step Back – Recent Changes in Invasive Species

by W.D. McIlveen
Figure 1. Adult Hypena opulenta
Figure 1. Adult Hypena opulenta
The situation regarding invasive species is never static. Periodically we get good news mixed in with the gloomy reports of some new species that has appeared at our door. And so it is that we have some recent changes in local matters pertaining to invasive alien species. Starting with the bad news first, the … Continue Reading ››

Mimicry

by Don Scallen, Vice-President
People manage their appearance with clothing, jewelry and hair styles to present a particular image of themselves to the world. Deception is often involved. A muscled, leather-clad, tattooed man may be a powderpuff, but his fearsome exterior projects a formidable – “don’t mess with me!” – presence. Insects are masters of this bluff. There is a vast array of harmless flies and beetles for example, that have evolved to look like dangerous bees and wasps. This allows them to … Continue Reading ››

Pygmy Grasshoppers

Particularly in Spring, a walk in the woods might turn up a very tiny grasshopper among the dead leaves. These are likely Pygmy Grasshoppers, not ‘baby grasshoppers’. They are also known as ‘grouse locusts’ or ‘grouse grasshoppers’ or in one case, a ‘frog groundhopper’. Pygmy Grasshoppers are members of the suborder Tetrigodea and most occur in the Family Tetrigidae. One exception is Tettigidea lateralis that occurs in the closely-allied Family Batrachideidae. The seven species that are known to occur in … Continue Reading ››