Wasp Week Day 5: Bald Faced Hornet

Bald-faced Hornet, Dolichovespula maculata
Brooklyn Botanic Garden, 2007-08-18

Not really a hornet at all, this species is more closely related to yellowjackets. Like yellowjackets, they are omnivorous and both collect pollen and eat insects, even other wasps.

Although they have a reasonably distinctive appearance in the field, bald-faced hornets are most easily recognized by the large, paper nests they construct in trees. Sometimes these are easier to find when the leaves fall off the trees, but this one has been visible in the Brooklyn Botanical Gardens for months now.

Bald-faced hornets can be quite aggressive if the nest is threatened, but otherwise are not a particular problem. I took this nest picture with a 12X zoom lens and a tripod. No way was I getting close enough to do it with a macro lens like I use for some of the individual photos. In any case this nest is about 2 feet tall so a macro lens really wasn’t necessary.

• BugGuide article
• Wikipedia article

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