Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

Eggs of tachinids throughout the guide

There are several tachinid eggs in Tachinidae immature stages, parasitized hosts, & metamorphosis but there are many more scattered through many pages of Coreidae and a few other families; there are even some on caterpillars. It is time to group them together; it is possible that a few are not tachinids and I will be happy to remove them. If you know of any other images that I missed, please, let me know so I can add them.

Eggs on Heteroptera (True Bugs)


Acanthocephala declivis

Acanthocephala femorata

Acanthocephala terminalis

(Known parasites of Acanthocephala: Trichopoda pennipes, lanipes, plumipes)


Anasa armigera

(Known parasite of Anasa: Trichopoda pennipes)

Anasa tristis

Euthochtha galeator

(Known parasite of Euthochtha: Trichopoda pennipes)


Leptoglossus ashmeadi

Leptoglossus corculus

Leptoglossus occidentalis

Leptoglossus oppositus

Leptoglossus phyllopus

Leptoglossus zonatus

(Known parasites of Leptoglossus: Trichopoda pennipes, plumipes)




(Known parasite of Largus: Trichopoda pennipes)

(Known parasites of some Pentatomidae, including Euschistus, Mormidea, Nezara and/or Oebalus: Cilindromyia armata and Euthera tentatrix)


Perhaps this tachinid fly is trying to lay an egg on the nymph

Brochymena arborea

Brochymena chelonoides

Holcostethus limbolarius

Mecidea major

Mormidea lugens

Oebalus pugnax

Podisus maculiventris

(Known parasite of Podisus: Hemyda aurata)


Thyanta pallidovirens

(Known parasite of Thyanta: Trichopoda pennipes)


Arilus cristatus

Pselliopus barberi

Zelus cervicalis

Zelus luridus

Rhopalidae (Scentless Plant Bugs)

Boisea rubrolineata



Eggs on Lepidoptera Caterpillars

Orgyia vetusta

(Known parasite of Erebidae: Juriniopsis)

Malacosoma californicum (Western Tent Caterpillar)

Malacosoma disstria (Forest Tent Caterpillar Moth)

(Known parasite of Malacosoma spp.: Archytas apicifer, Archytas aterrimus, Archytas lateralis and Archytas spp.)

Euclea delphinii (Spiny Oak-Slug Moth)

Lithacodes fasciola (Yellow-shouldered Slug Moth)

Euphilotes battoides allyni (El Segundo Blue)


Cuculia convexipennis (Brown Hooded Owlet)


Cuculia florea

Cuculia intermedia (Dusky Hooded Owlet)

Orthosia hibisci (Speckled Green Fruitworm Moth)

Schinia rivulosa (Ragweed Flower Moth)


Spodoptera latifascia (Velvet Armyworm Moth)

Trichordestra legitima (Striped Garden Caterpillar Moth)

Notodontidae (Prominent Moths)
Datana integerrima (Walnut Caterpillar Moth)

Schizura ipomoeae (Morning-glory Prominent)

Schizura unicornis (Unicorm Caterpillar Moth)

Symmerista canicosta (Red-humped Oakworm)

Citheronia regalis

(Known parasites of Citheronia: Belvosia, Lespesia Winthemia)

Hemileuca eglanterina (Elegant Sheep Moth)

Hyalophora cecropia (Cecropia Moth)

Eumorpha achemon (Achemon Sphinx)

Sphinx drupiferarum (Wild Cherry Sphinx)

and perhaps

Eggs on Coleoptera, beetles


Popillia japonica

Istocheta aldrichi was introduced to combat Japanese beetles

Other beetles

and perhaps a weevil

Eggs on Hymenoptera (sawflies)

Cimbex americana (Elm Sawfly)

Eggs on Orthoptera (grasshopper)
(on Green-striped Grasshopper)

Eggs on Phasmida (walkingstick)

Could this be a tachinid egg?
on a Syrphid puparium
A host-parasite catalog of North American Tachinidae (Diptera). By Paul Henri Arnaud, United States. Science and Education Administration, California Academy of Sciences

More Tachinid eggs?
I took this photo recently, and Ken thinks they might be Tachinid eggs.
If this might be the case I'd look at the other photos to see if I had better shots of just the eggs, and could post them where ever you'd like.


This photo
will be frassed soon, it was sent there on Oct 25th, unless someone needs it.

Another caterpillar

We were trying to figure out where to put this one, since it has both tachinid eggs and braconid cocoons, but I'll move it to Braconidae now that this page exists.

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