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Oncopeltus fasciatus
Red bug with a black stripe across the middle & black spots at both ends
On milkweed
They were found on milkweed that had lots of yellow aphids so I thought they were eating them, but I understanding that they feed on the seeds of the milkweed plant and the adults will also occasionally feed on plant juices or nectar. Identified by Charlie Moore
Spotted on Sep 25, 2015
Submitted on Sep 25, 2015
1 Comment
Even though they are found around aphids a lot, this insect does not feed on them. Large Milkweed Bugs, like yours here, feed on the seeds of the milkweed plant. The adults will also occasionally feed on plant juices or nectar.
http://bugguide.net/node/view/504