Sep 28, 2026 | Weekly insect
Our insect of the week for September 28, 2026 is the wheel bug, Arilus cristatus. [HEMIPTERA: Reduviidae]. This species was described by Linnaeus in 1763. This is one of the largest terrestrial Hemiptera in North America (and is often encountered in central Illinois)....
Sep 22, 2026 | Meeting Notes
We help our annual picnic/ potluck on Saturday, September 19, 2026 at Prairie Lane picnic area in Jubilee State Park (near Kickapoo, Illinois). 22 members and guests were present. Alex with Lex-tra Crispy provided the chicken and vegetarian options. Many brought side...
Sep 21, 2026 | Weekly insect
Our insect of the week for September 21, 2026 is Caloptilia rhoifoliella, the sumac leafblotch miner. [LEPIDOPTERA: Gracillariidae] In keeping with our focus on insects which feed on poison ivy, yes, this is one of the host plants preferred by the caterpillar. As the...
Sep 14, 2026 | Weekly insect
Our insect of the week for September 14, 2026 is another species dependent upon the poison ivy plant. This is another species of moth, Marathyssa basalis [LEPIDOPTERA: Euteliidae]. This species was described by Francis Walker (an English entomologist) in 1865. Fun...
Sep 7, 2026 | Weekly insect
Since we focused on an insect that consumes poison ivy last week, I thought it appropriate to focus on another unrelated insect which also relies on poison ivy as food while in the caterpillar stages of its life. In this case, I refer to the species Dichorda iridaria,...