Category Archives: Crabronidae

Crabronid wasps. Over 9,000 species in 200 genera worldwide. Adults capture prey and provision nests for larvae.

Digger wasps in action

Here is an animated gif that I made from a series of photographs of the digger wasp, Bicyrtes quadrifasciatus (ID courtesy of Doug Yanega), digging a burrow in a sand bank in extreme southeastern Missouri (it’s amazing what you can do … Continue reading

Posted in Crabronidae, Hymenoptera | Tagged , , , , , , , | 9 Comments

Brazilian Bike Adventure

Yesterday I joined my Brazilian colleagues on a bicycling tour from the outskirts of São Paulo to the beaches of the Atlantic Coast. To say that the tour was an ‘adventure’ is an understatement—it was epic! For those not familiar … Continue reading

Posted in Corydalidae, Crabronidae, Hymenoptera, Neuroptera | Tagged , , , , , , , , , | 12 Comments

Working with Cerceris fumipennis—Epilogue

In Working with Cerceris fumipennis Part 1 and Part 2, I talked about the use of this species as a biosurveillance tool for Buprestidae. These wasps are specialist predators of jewel beetles, which they capture almost exclusively and paralyze with … Continue reading

Posted in Chrysomelidae, Coleoptera, Crabronidae, Hymenoptera | Tagged , , , , , , , , , | 10 Comments

Working with Cerceris fumipennis—Part 2

During the 6-week period from late May to early July this year, I collected ~400 jewel beetle specimens representing at least 20 species (see Working with Cerceris fumipennis—Part 1). A final accounting of the species represented won’t be done until this winter, but the … Continue reading

Posted in Buprestidae, Cicindelidae, Coleoptera, Crabronidae, Hymenoptera | Tagged , , , , , , , , , , | 14 Comments

Working with Cerceris fumipennis—Part 1

For nearly 30 years, jewel beetles (family Buprestidae) have been my primary research interest. While some species in this family have long been regarded as forest and landscape pests, my interest in the group has a more biosystematic focus. A faunal … Continue reading

Posted in Buprestidae, Coleoptera, Crabronidae, Hymenoptera | Tagged , , , , , , , , , , | 19 Comments

Cicada killer on the fly

I don’t normally spend much time trying to photograph insects in flight. To really do it right requires some rather specialized equipment, including very high-speed flash, and a bucketload of patience and skill. John Abbott exemplifies those whose great talent has produced … Continue reading

Posted in Crabronidae, Hymenoptera | Tagged , , , , , , , | 6 Comments

A sand prairie autumn

Ask any astronomer when autumn begins, and they will likely tell you it begins at the autumnal equinox – when shortening days and lengthening nights become equal as the sun crosses over the celestial equator. According to them, fall began … Continue reading

Posted in Ascalaphidae, Asilidae, Cicindelidae, Coleoptera, Coreidae, Crabronidae, Diptera, Fabaceae, Hemiptera, Hymenoptera, Myrmeleontidae, Neuroptera, Poaceae, Polygonaceae, Sphecidae | Tagged , , , , , , , , , , , , , , , , , , , , | 12 Comments