Apr 30, 2025 | Meeting Notes
We held our April meeting/ field trip at Merwin Nature Preserve in McLean County (Illinois). This nature preserve is located near the town of Lexington. The Mackinaw River flows through the preserve. We arrived at the preserv about 10 a.m. on Saturday, April 19....
Apr 28, 2025 | Weekly insect
Our insect of the week for April 28, 2025 is the promethea silkworm moth, Callosamia promethea [LEPIDOPTERA: Saturniidae]. It is also known as the spicebush silkmoth because caterpillars prefer to eat the leaves of spicebush. You often see cocoons hanging from host...
Apr 21, 2025 | Weekly insect
Our insect of the week for April 21, 2025 is the snowberry clearwing moth, Hemaris diffinis [LEPIDOPTERA: Sphingidae]. It is so names because adults lose the majority of scales on their wings shortly after they emerge from the pupal stage due to their very active...
Apr 14, 2025 | Weekly insect
Our insect of the week for April 14, 2025 is the luna moth, Actias luna [LEPIDOPTERA: Saturniidae]. This is one of the larger moths in North America. Adults have been observed in central Illinois as early as late April (which is why we are discussing them now). As a...
Apr 7, 2025 | Weekly insect
Our insect of the week for April 7, 2025 is the eight-spotted forester moth, Alypia octomaculata [LEPIDOPTERA: Noctuidae]. It can be found throughout eastern North America. These are often encountered in where open areas meet woodlands. Adults are often active during...