On Rubber Rabbitbrush
See also: https://www.inaturalist.org/observations/101273556
https://www.jstor.org/stable/42871563
"Gall c2 (Fig. 4B)
A Tephritidae induced this 1 .0 x 4.0 mm ellipsoidal gall in the stem node. It was formed by modified leaves and was connected to the stem by a long peduncle."
Pinal County, Arizona, US
This tiny little fly has the most amazingly scary face to anything that sees it.
Another great day at the Southeast Arizona iNat-athon! Started at the San Pedro House to look for hummingbirds...and of course, plants and bugs and whatever else. :)
Still working on the ID's for these...
Check out the journal entry for lots of better photos of many of these same species:
http://www.inaturalist.org/journal/sambiology/11501-southeast-arizona-inaturalist-is-a-community
Eggs laid on Sisymbrium irio plant near packrat midden.
Female Cuterebra sp. ovipositing.
Revisit of galls found October 19th; no new growth in 18 days, likely fully formed. Later observation here.
Tiny cups on stalks on an acorn shell in a cave.
Based on this reference: http://is.gd/T9TqjD
Seen on Opuntia engelmannii and O. phaeacantha
Yellow drawings on Nabulus albus leaves
On Quercus garryana.
The wasp is taking nectar secretion from a gall on the acorn cup of an Emory Oak. The name Callirhytis was researched by J Gross who found Weld's original 1957 description of Callirhytis balanella in the "Proceedings of the United States National Museum" Vol. 107 No. 3384, New American Cynipid Wasps from Oak Galls.
Cf. Andricus quercusfoliatus but well out of range. Host Quercus turbinella
cf. Andricus; host Quercus turbinella; apical gall
I am not sure what the insect on it is, but it seems to be depositing something inside the already existing gall.
Observation for vector: https://www.inaturalist.org/observations/75379696
Observation for virus: https://www.inaturalist.org/observations/75379682