Pollinators

All Pollinators Content

Two insects. The left is a wasp with a dark head, reddish brown thorax (the segment behind the head), and a black and yellow banded abdomen. The right is a hornet with a yellow head, dark brown thorax (the segment behind the head), and a brown and yellow banded abdomen.

No, It’s Not a Murder Hornet.

By now, you’ve probably read headlines about the Asian giant hornets (aka “murder hornets”) that were spotted in Washington state and across the border in Canada. It is important to note that Asian giant hornets have only been confirmed in a small area of Washington and Canada. These wasps have not been observed in South Dakota or our neighboring states.

Two adult wasps side-by-side. The left is black and yellow and is resting on a green leaf. The right is black, yellow and burnt orange in color and is resting on a piece of wood.

Wasp Activity Is Ramping Up

With their distinctive black and yellow stripes and tendency to hang out in groups, wasps receive attention no matter the time of year. As the weather warms up and spring progresses, you may notice more wasp activity in your yard or around your house.

Tomatoes growing in a high tunnel. Courtesy: USDA

Pollinating Tomatoes in High Tunnels

In field-grown tomatoes the air movement is sufficient to vibrate flowers and achieve pollination. This is not generally true in the high tunnel because there is not sufficient natural wind to vibrate the flowers. High tunnel tomato growers should therefore pollinate their crop by other means.

Three bees on a wooden box.

Backyard Biodiversity: Nest boxes for native bees

Many of our native bee species are solitary. In order to ensure that these kinds of bees spend more time in our yards and gardens, it is important to make sure we include places for them to nest.