Showing posts with label phenology. Show all posts
Showing posts with label phenology. Show all posts

Saturday, September 24, 2011

Spider time


Retro-looking photo of a Spined Micrathena (taken August 24, 2011, near the Musconetcong River, Mansfield Twp, NJ).
August is the month for getting spiderwebs stuck to your face. They seem to pop up all of the sudden between every shrub in the woods. Around here they mainly belong to the Spined Micrathena (Micrathena gracilis). A few weeks ago I also found this fancy-looking Arrowshaped Micrathena (Micrathena sagittata) down by the river. It's web was only two feet off the ground, apparently typical for this species (NWF insect book). Also from the book, both species live in open woods and "brushy areas" east of the Rockies.



The less common Arrowshaped Micrathena (taken August 24, 2011, near the Musconetcong River, Mansfield Twp, NJ).

Wednesday, June 22, 2011

Grasshopper season




This monster was laying eggs (it seemed to be, anyway) in the middle of a sand road in Ocean Co., NJ, yesterday. I think it is Pardalophora phoenicoptera, the orange-winged grasshopper.

Grasshoppers have recently become more noticeable in the grasslands of south Jersey. I never thought of them as a seasonal animal before, but I guess most insects have their seasonality just like plants do. And insect timing, I suppose, often coincides with plant timing.

Adding to my theory that "grasshopper season" is upon us is this: I have found plenty of shed skins from aquatic insects before (exuviae, technically speaking), but yesterday was the first time I've found a shed grasshopper skin...completely intact too! If I remember correctly from the time I raised crickets (for an insect class), they usually eat the skin after they shed it. The one that molted the skin shown was still a juvenile at the time, identified by the still-short wings. I think the strings and stuff visible in the photo may be the linings of air tubes and other "internal" organs, the skin of which also gets molted.


Shed grasshopper skin. Taken yesterday in Lakehurst, Ocean Co., NJ.

Here is the large grasshopper from two more angles. Even his eyes look sandy...