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Allard's Ground Cricket - Allonemobius allardi - male

Allard's Ground Cricket - Allonemobius allardi - Male
Kokomo, Howard County, Indiana, USA
October 1, 2010
Could this be some kind of Field Cricket?

species ID is tentative

Crickets in Southern Ontario
I am doing a project and trying to identify relatives to the house cricket that are native to southern Ontario. Any suggestions? Field crickets? Thank you.

First, look up 'Singing Insects of North America'

Then see if you can find:

1986. The insects and arachnids of Canada, part 14. The Grasshoppers, Crickets and Related Insects of Canada and Adjacent Regions. Ulonata: Dermaptera, Cheleutoptera, Notoptera, Dictuoptera, Grylloptera and Orthoptera. Res. Brch Agric. Can. Publ. 1777. 918 pp.

Note that the names for the Orders that Vickery uses are different from main stream, but basically this is all the "Orthopteroid" insects such as Grasshoppers, Crickets, Katydids, Walkingsticks, Roaches, Mantids, Earwigs, and their close kin. I think a few groups such as Stoneflies and perhaps Termites may be left out. The Cricket treatment may be out of date (I don't remember if he lumps them all after Rehn and Hebard, or if he splits them more realistically as is the current trend); however, it should still be useful.

Also, Blatchley's book on Orthoptera of Northeastern America (1920) is available on line; outdated, but not bad. Beyond that, you'll have to do a literature search for more recent work on the group. Since there aren't that many species so far north as Ontario, you should be able to sort them out. The Ground Crickets are still a mess on BugGuide, and seem to be the most difficult to identify from photos; however, with specimens in hand, it should be easier. Also, listen to songs. Even you can't yet correlate each distinct song with each name in the literature (yet), it will help you to recognize different species in the field. Sometimes Cricket species that look nearly identical have totally distinct songs.

If you have photos, you can post them here, and we can try to nail them down. Might provide the impetus to get the rest identified a bit better. This is already perhaps more than appropriate for a BugGuide entry, but it might prove useful to others, so I went ahead and did it here. However, to continue, look up my email here, and contact me that way. :0)

By the way, there is only one "House Cricket" in the strict sense, in North America. It is Acheta domesticus. However, so-called "Field Crickets" (Gryllus species) are also often resident in homes, as may be several other types of Crickets (family Gryllidae) and Camel Crickets (family Rhaphidophoridae).


Looks more like one of the Nemobiinae ground crickets to me. They are much smaller than field crickets.

I didn't measure, but it was quite small - about 1". Thanks for steering me in the right direction.

Moved from ID Request.

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