Tethida barda
Black-headed Ash Sawfly - Tethida barda. Urbana, Illinois, USA
Halidamia affinis
The larvae of sawflies- herbivorous relatives of wasps- strongly resemble caterpillars. Here, a Halidamia larva feeds on Galium. Austin, Texas, USA.
This species was introduced from Europe and now occurs broadly in North America. Austin, Texas, USA.
Cladius difformis
A bristly rose slug (Cladius difformis) chews through a leaf. This insect is the larva of a sawfly in the diverse family Tenthredinidae. Urbana, Illinois, USA
Caliroa
A slug oak sawfly's translucent cuticle gives a full view of the animal's digestive process from leaf to frass, as well as an extensive peek at the respiratory system's tracheae. Gatlinburg, Tennessee, USA.
Tremex columba
Pigeon horntail Tremex columba (Siricidae). Note the tattered wings and damaged legs; this is an older female at the end of the season. Urbana, Illinois, USA
Pigeon horntail Tremex columba (Siricidae). Urbana, Illinois, USA
The pigeon horntail Tremex columba may look like a dangerous wasp, but the long "sting" is just an egg-laying appendage. Larvae of this large sawfly feed on decaying wood. Urbana, Illinois, USA
Dolerus sp.
Portrait of a Dolerus sawfly. These grass-feeding insects are among the first active early in the North American spring. Urbana, Illinois, USA
Acordulecera
A small pergid sawfly perches in a spring buttercup. Austin, Texas, USA.
