Category Archives: Hymenoptera

Ants, bees, sawflies, wasps. About 125,000 species worldwide. Biology is diverse: phytophagy, parasitism, predation, gall forming. Parthenogenesis is universal – diploid females and haploid males.

2018 Arizona Insect Collecting Trip “iReport”

Hot on the heels of the previous installment in this series, I present the sixth “Collecting Trip iReport”; this one covering a trip to Arizona during July/August 2018 with Art Evans and—like the previous installments in this series—illustrated exclusively with … Continue reading

Posted in Asclepiadaceae, Asilidae, Asteraceae, Aves, Buprestidae, Cactaceae, Cerambycidae, Chrysomelidae, Cicindelidae, Cleridae, Coleoptera, Coreidae, Cupressaceae, Diptera, Elateridae, Erebidae, Erotylidae, Fabaceae, Hemiptera, Hymenoptera, Lepidoptera, Lycidae, Mantidae, Meloidae, Noctuidae, Nyctaginaceae, Nymphalidae, Orthoptera, Papaveraceae, Reduviidae, Reptilia, Romaleidae, Rosaceae, Saturniidae, Scarabaeidae, Scorpiones, Sphecidae, Tachinidae, Tenebrionidae | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 8 Comments

2018 New Mexico/Texas Insect Collecting Trip “iReport”

This is the fifth in a series of Collecting Trip “iReports”—so named because I’ve illustrated them exclusively with iPhone photographs (see previous articles for 2013 Oklahoma, 2013 Great Basin, 2014 Great Plains, and 2015 Texas). Note that I continue to use … Continue reading

Posted in Arachnida, Araneae, Asteraceae, Aves, Buprestidae, Cactaceae, Cerambycidae, Cicadidae, Cicindelidae, Cleridae, Coleoptera, Coreidae, Curculionidae, Diapheromeridae, Diplopoda, Euphorbiaceae, Hemiptera, Hymenoptera, Lepidoptera, Lycaenidae, Orthoptera, Phasmida, Pompilidae, Reptilia, Sapotaceae, Scarabaeidae, Scorpiones, Solifugida, Tettigoniidae, Trogidae, Vertebrata | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | 19 Comments

“The Botanists Among Us: Host plant specialization in insects”

It’s been a busy week for me—just two days after doing a presentation on tiger beetles to the Webster Groves Nature Society’s Entomology Group, I gave a talk to the St. Louis Chapter of the Missouri Native Plant Society. As … Continue reading

Posted in Acrididae, Aphididae, Apidae, Arctiidae, Bombyliidae, Buprestidae, Cantharidae, Cerambycidae, Chrysomelidae, Coleoptera, Cynipidae, Danaidae, Diapheromeridae, Diptera, Disteniidae, Hemiptera, Lygaeidae, Nymphalidae, Orthoptera, Phasmida, Sesiidae, Tenthredinidae, Tettigoniidae, Thripidae, Thysanoptera, Zygaenidae | Tagged , , , , | 4 Comments

2015 Texas Collecting Trip iReport—Fall Tiger Beetles

This is the fourth in a series of “Collecting Trip iReports”—so named because I’ve illustrated them exclusively with iPhone photographs. As I’ve mentioned in previous articles in this series (2013 Oklahoma, 2013 Great Basin, and 2014 Great Plains), I tend to favor my iPhone camera … Continue reading

Posted in Acrididae, Arachnida, Araneae, Asilidae, Bombyliidae, Cicindelidae, Coleoptera, Diptera, Formicidae, Hymenoptera, Orthoptera, Reptilia, Vertebrata | Tagged , | 13 Comments

Multiple Megarhyssa males

Today while hiking at Hilda Young Conservation Area (north-central Jefferson County, Missouri), I encountered a declining sugar maple (Acer saccharum) with lots of woodboring insect holes in the trunk. As I approached I noticed numerous giant ichneumon wasps in the genus Megarhyssa flying about … Continue reading

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

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 , , , , , , , | 11 Comments

A time of reckoning

The sun shall be turned to darkness and the moon to blood, before the day of the Lord comes, the great and magnificent day. I’m not normally one to quote Bible passages, but this line from Acts 2:20 seems appropriately ominous … Continue reading

Posted in Braconidae, Hymenoptera, Lepidoptera, Sphingidae | Tagged , , , , , , , , , , | 11 Comments