Category: Bug of the Week (Page 93 of 219)

Bug of the Week: Western Pygmy Blue Butterfly

After the giant rustic sphinx caterpillar and moth last week, let’s take a look at some tiny little butterflies.

better-western=pygmy-blue-aphid-scale

How tiny are these butterflies? To put things in perspective, do you see the winged aphid under the flower petal to the right? You know how small aphids are, right?

western-pygmy-blue-butterfly

In fact, this butterfly is a Western pygmy blue, which is the smallest butterfly in North America!

Although they are called blues, their upper wings are mostly coppery brown, about the color of the forewing here.

The larvae feed on pigweed, goosefoot, Russian thistle or saltbush (Atriplex). This adult is taking nectar from a brittlebush flower.

Western pygmy blues are fairly common, but easy to overlook. Have you ever seen one?

Bug of the Week: Another Rustic Sphinx

The signs were there on the ground under the desert willow tree (frass pellets), and sure enough:

better-rustic-sphinx-caterpillar-222We spotted a large rustic sphinx caterpillar, Manduca rustica.

Looking back, I posted about a similar one on October 31 in 2012.

camouflaged-rustic-sphinx-caterpillarIt is amazing how well the body stripes help camouflage the larva as it hangs amongst the tree leaves.

We were surprised to discover something else related just a few feet away.

rustic-sphinx-moth-side-houseAn adult rustic sphinx drying its wings on the wall!

The adult’s wing color helps camouflage it as well. Even on this light colored wall, the light and dark pattern helped hide it in the mottled shade of the nearby leaves.

Have you ever discovered a rustic sphinx? Was it well camouflaged?

« Older posts Newer posts »