Silhouetted against the dusk sky, a parasitic wasp lays her egg in the dead trunk of a redbud tree. Her target is probably wood-boring beetles. Urbana, Illinois, USA.
A long-winged planthopper sits on a banana stem. Mindo, Pichincha, Ecuador.
A leafcutter bee gathers pollen from a summer aster. Saint Louis, Missouri.
A hornworm rears up when attacked by a parasitic Cotesia congregata wasp. The wasp injects not only her eggs, but a specialized virus that disables the caterpillar's immune system. Laboratory animals at the University of Illinois.
A colorful rove beetle from the Ecuadorian cloud forest. Mindo, Pichincha, Ecuador.
An ant-decapitating fly attempts to separate a fire ant (Solenopsis macdonaghi) from her nestmates. Lone ants make easier targets.
Parque Nacional El Palmar, Entre Rios, Argentina
Up close with a large female Hogna wolf spider. Rumley, Texas, USA.
A leaf-litter inhabiting cricket has rather spectacularly fallen prey to an entomopathogenic fungus.
The eclosion of a female mosquito. Mosquito larvae and pupae live underwater, but the mature pupal casing spilts on a seam at the air/water boundary, releasing the adult to the atmosphere. Laboratory culture at Rockefeller University.
A 10 minute night exposure in a restored Illinois prairie reveals the signals of several different species of fireflies, each with a unique pattern. Homer Lake, Illinois, USA.
Cottonwood borer (Plectrodera scalator)
Portrait of a cottonwood borer beetle, Plectrodera scalator, one of the most beautiful longhorn beetles in eastern North America. Austin, Texas, USA.
A male straight-snouted weevil (Brentidae) silhouetted against a leaf in an Australian rain forest.
Cape Tribulation, Queensland, Australia
Biologist Yajaira Bautista volunteers herself as pincushion for an ant sting photo shoot. La Selva Biological Station, Costa Rica.
A recently eclosed periodical cicada waits for her new cuticle to harden. Panther Creek State Conservation Area, Illinois, USA.
Breaking the abdomen of a parasitized Odontomachus haematodus trap-jaw ant reveals a mermithid nematode coiled within. Worms infect the ants as larvae and result in stunted adults.
Armenia, Cayo District, Belize
A male dog tick questing.
Onthophagus taurus dung beetles, showing size and horn variation among males.
A tiny parasitoid wasp lurks among a clutch of stink bug eggs. Mindo, Pichincha, Ecuador.