Nov 18, 2024 | Weekly insect
For the week of November 18, 2024, we continue examining the insect order Hymenoptera (ants, bees, and wasps). Our focus this week is on Tremex columba (Hymenoptera: Siricidae). This species was described by Linnaeus in 1763. The common name is pigeon horntail. Adult...
Nov 11, 2024 | Weekly insect
Our insect of the week for November 11, 2024 is the wasp Pelecinus polyturator. [HYMENOPTERA: Pelicinide]. This species was described by Dru Drury (a British entomologist) in 1773. Yes, just a bit before we decided enough was enough with the taxation without...
Nov 4, 2024 | Weekly insect
Insect of the week (November 4, 2024). Instead of supplying all the details on our featured insect of the week, this week, I present you with a puzzler. First one to correctly identify the insect gets a prize (you can pick it up at our next meeting – November...
Oct 28, 2024 | Weekly insect
Insect of the week (October 28, 2024) is the eyed elater – Alaus oculatus (Linnaeus, 1758). This click beetle (COLEOPTERA: Elateridae) is not frequently found in central Illinois. Some adults reach nearly 2 inches in length. It is thought the false eyes serve to...
Oct 21, 2024 | Weekly insect
Insect of the week (October 21, 2024) is the periodical cicada, Magicicada septendecim (Linnaeus, 1758) (HEMIPTERA: Cicadidae). As you may already know, this is one of three periodical cicada species found in the Peoria area. Further south (Springfield and more...
Oct 14, 2024 | Weekly insect
Insect of the week (October 14, 2024) is the northern mole cricket – Neocurtilla hexadactyla (Perty, 1832). This native Orthopteran species is placed in the family Gryllotalpidae. The specimen in this photograph was collected by our former member, Gordon Adams,...
Oct 7, 2024 | Weekly insect
Insect of the week (October 7, 2024) is Cotesia congregata. These are the wasp parasites that Na’im brought along with the caterpillar to our entomology pot luck on September 28. This wasp species is a member of the Hymenopteran family Bracondiae. It was...
Sep 30, 2024 | Weekly insect
As summer draws to a close (the vernal equinox wasn’t that long ago, was it), I thought it appropriate to focus on another butterfly. This time, Euptoieta claudia, the variegated fritillary. This species was described by Cramer in 1775. It is known from...
Sep 23, 2024 | Weekly insect
We return to the beetles again this week and focus on the family Brentidae. Specifically, the beetle Arrhenodes minutus. Common name is oak timberworm. Larvae often tunnel in oak and elm trees and this species can be a pest. This insect is a known vector of the...
Sep 16, 2024 | Weekly insect
This week, we turn our attention to the insect order Lepidoptera (butterflies and moths). Our featured insect is Zerene cesonia, the dogface sulphur butterfly. It is classified in the family Pieridae. This butterfly is often found along roadsides. Adults...