Although the Parasitica are often called "parasitic wasps" they are parasitoids, not parasites.
Parasites live on or in other organisms, but they don't usually kill their hosts; parasitoids always do.
Gravenhorstiini
21 Apr 2026
Collected from front garden. Length 18 mm
Ichneumonidae
(Darwin Wasps)
Emerged from spider egg sac collected on 28 Jan 26. 5 mm
Phygadeuontini
On apple under apple tree. 5 mm
Telenominae
Two of these were found in a container that had a bagworm (Dalica sp.) larva that I collected on April 8. When I checked the container today I found these two wasps, along with about 50 bagworm larvae. Length ~ 1 mm. ...
Ophioninae
(Short-tailed Ichneumonid Wasps)
On sheet with black light\r\n\r\n@bclaridge
Arenetra sp.
On the side of the shed. \r\n~ 10 mm\r\n\r\n@bclaridge
Gravenhorstiini
Each spring, one of the first insects I see in the yard are these ichneumonids. They flit around the grass and low shrubs, just above ground level. They don\'t stay around long, though.\r\n\r\nAny idea what they might be, @bclaridge?
Ichneumonidae
(Darwin Wasps)
On front door window
Telenominae
21 of these tiny (1 mm) wasps emerged from 22 eggs that I collected from a tomato leaf on 21 July 24. The eggs are shown in the second photo. \r\n
Here is the iNat egg observation.
Associated Species: Enoclerus eximius
Braconidae
(Braconid Wasps)
UV light trap
Telenominae
5 Aug 2024
Emerged from stink bug eggs on a tomato leaf.
The eggs were collected on 21 July 24 and the wasps emerged on (or a few days before) 5 August.
Length ~ 1.0 mm.
Telenominae
This was one of many that emerged from stink bug eggs that I collected from golden currant leaves on 27 June 24.
Associated Species: Ribes aureum (Golden Currant)
Microgastrinae
On inside kitchen window, \n3 mm
Ichneumonidae
(Darwin Wasps)
On raspberry plant
Associated Species: Rubus idaeus (Red Raspberry)
Brachymeria sp.
~ 5 mm. On Douglas Hawthorn fruit.
Associated Species: Crataegus douglasii (Douglas Hawthorn)
Gasteruption sp.
On Ocean Spray flowers
Associated Species: Holodiscus discolor (Ocean Spray)
Pimpla sp.
On Pacific Ninebark leaf
Associated Species: Physocarpus capitus (Pacific Ninebark)
Ichneumoninae
On hollyhock leaf
Associated Species: Alcea rosea (Hollyhock)
Tryphonini
Malaise trap, 8 Jun 23\nFemale, 10 mm
Odontocolon sp.
Malaise trap, 8 June 23, \r\n10 mm, female
Gravenhorstiini
20 Apr 2024
The first ones I've seen this spring. There were quite a few flying just above the ground in the backyard raspberry patch.
I netted one, cooled it down, took some (bad) photos, and released it.
Conura sp.
From Malaise Trap, \n26 Aug 2023
Mymaridae
(Fairy Wasps)
length ~ 1.3 mm
Eurytominae
Malaise trap, 26-27 Aug 23\r\n~2.5 mm
Exochus sp.
(Exochus)
Malaise trap, 5 mm
Phygadeuontinae
Malaise trap, 26-27 Aug 23\r\n~ 5 mm
Aclista sp.
Malaise trap, 26-27 Aug 23\r\n~ 3 mm
Scelioninae
Malaise trap 26-27 Aug 23, \r\n~ 3 mm
Phygadeuontinae
Malaise trap, set 26-27 August 2023, ~ 5 mm
Torymidae
Malaise trap, ~2.5 mm
Braconidae
(Braconid Wasps)
From Malaise trap set 26-27 August 2023, ~ 4 mm
Trichopria sp.
From Malaise trap, 26-27 Aug 2023. ~1.5 mm
Conura sp.
From 26-27 Aug 23 Malaise trap. ~4.5 mm
Campopleginae
26 Aug 2023
Malaise Trap, 26 Aug 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Female, 6 mm
Scelioninae
26 Aug 2023
Malaise trap, 26 August 2023, ~ 3 mm.
Mymaridae
(Fairy Wasps)
26 Aug 2023
From Malaise trap, set 26-27 Aug 23.
~ 1 mm
Conura sp.
26 Aug 2023
Malaise trap, 26-27 Aug 23
~ 4.5 mm
Conura sp.
26 Aug 2023
Malaise trap, 26-27 Aug 23
~ 4 mm
Conura sp.
26 Aug 2023
Malaise trap 26 Aug 23.
~ 4 mm
Conura sp.
Collected from a malaise trap that was set from June 8 - 10. ~4 mm
Cryptini
From a Malaise trap set on June 8-10, 2023.
Aclista sp.
Malaise trap, 8-10 Jun 23, \n3 mm
Eucoilinae
Malaise trap, 8-10 Jun 23\r\n~2.5 mm
Dacnusini
Malaise trap, 8-10 Jun 23.\r\n~ 2 mm
Ichneumonini
Malaise trap, 8-10 Jun 23\n~ 11 mm
Cryptinae
Malaise trap, 8-10 Jun 23\n13 ~ mm
Ctenopelmatinae
Malaise trap, 8 June 23\n10 mm
Cryptini
Malaise trap, 8-10 Jun 23, \r\n~ 15 mm
Ichneumonidae
(Darwin Wasps)
Malaise trap, 8-10 Jun 23\n~ 11 mm
Ichneumonidae
(Darwin Wasps)
Malaise trap, ~ 7 mm
Pimpla sanguinipes
Malaise trap, 8-10 Jun 23\n~ 9 mm
Tetramesa sp.
Malaise trap, ~2.5 mm
Cryptinae
Malaise trap 8-10 June 23, ~ 5mm
Mymaridae
(Fairy Wasps)
From Malaise Trap set June 8-20, 2023. Length ~ 0.7 mm
Exenterini
Malaise Trap, 8-10 June 2023\n7 mm
Braconidae
(Braconid Wasps)
Malaise trap, ~ 2.5 mm
8-10 Jun 23
Belytinae
Malaise trap, 8-10 Jun 23.\r\n~ 2.5 mm
Campopleginae
8 Jun 2023
From Malaise trap set on June 8-10, 2023.
IDed at Barr Museum by Nathaniel Green on 14 Jun 24
Female, 13 mm
Knocked the head off while trying to get a better photo for Brandon's subfamily classifier.
Exenterini
8 Jun 2023
Malaise Trap, 8-10 June 2023
IDed by Nathaniel Green at Barr Museum on 14 June 24
7 mm
...
Tryphoninae
8 Jun 2023
Marlise Trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 Jun 24
Female, 9 mm
Campopleginae
8 Jun 2023
Malaise Trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Female, 11 mm
Tryphoninae
8 Jun 2023
Malaise Trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Male?, 10 mm
Tryphonini
8 Jun 2023
Malaise trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Female, 10 mm
Cryptinae
8 Jun 2023
Identified by Nathaniel Green
~ 7 mm
Malaise trap 8-10 June 2023
Banchinae
8 Jun 2023
IDed by Nathaniel Green
c.f. Banchinae
Malaise Trap
Cryptinae
8 Jun 2023
Identified by Nathaniel Green.
Malaise trap set June 8-10, 2023.
~ 7 mm
Cryptinae
8 Jun 2023
Identified by Nathaniel Green.
Malaise trap set June 8-10, 2023.
Length ~ 7 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 23
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023
~ 7 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
8-10 June 23
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
8-10 June 23
~ 7 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set from 8-10 June 23
~ 7 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 5 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 5 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 9 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 10 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 6 mm
Tryphonini
8 Jun 2023
Malaise trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Female, 10 mm
Campopleginae
8 Jun 2023
Malaise Trap, 8 Jun 23
IDed by Nathaniel Green at Barr Museum on 14 June 24
Female, 9 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 6 mm
Cryptinae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023.
~ 5 mm
Ichneumoninae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap set 8-10 June 2023
~ 9 mm
Ichneumoninae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap 8-10 June 23
~ 4 mm
Maybe Phaeogenini (N.G.)
Ichneumoninae
8 Jun 2023
IDed by Nathaniel Green
Malaise Trap, 8 June 2023
~7 mm
Ichneumoninae
8 Jun 2023
IDed by Nathaniel Green.
Malaise trap 8-10 June 2023.
~ 13 mm.
Eucoilinae
8 Jun 2023
Malaise trap, 8-10 Jun 23
~2.5 mm
Aclista sp.
8 Jun 2023
Malaise trap 8 June 23
3 mm
Diapriidae
(Shelf-faced Wasps)
8 Jun 2023
Malaise trap 8 June 23
3 mm
Diapriidae
(Shelf-faced Wasps)
8 Jun 2023
Malaise trap 8 June 23
3 mm
Conura sp.
8 Jun 2023
Malaise trap, 8-10 Jun 23
~ 4 mm
Encyrtidae
8 Jun 2023
From Malaise trap, 8-10 June 2023
~ 1 mm
Encyrtidae?
Ichneumonidae
(Darwin Wasps)
Braconidae
(Braconid Wasps)
Conomorium sp.
On inside window 3 mm
Conomorium sp.
On inside of our front door window. ~ 3 mm
Conomorium sp.
On front porch, 7 deg C, ~ 2 mm
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Torymidae
Caught this one while she was examining holes in a spruce stump. 3 mm
Ichneumonini
Caught this one while it was flying around the woodpile. Took me a half hour and a dozen tries with the net. \r\n13 mm
Ichneumon cupitus
Length 15 mm
Monodontomerus sp.
Collected from the spruce stump. Several of these were examining holes.\r\nLength ~ 4 mm
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Xorides californicus
Male Xorides with a box elder bug in the background.
Gravenhorstiini
Length 18 mm
Gelis sp.
On March 9 I collected some spider egg sacs that I found under a rock in our yard. I put them in a bag to see what would come out. \nToday about a dozen Gelis wasps emerged, mostly females. This is a female on an egg sac.
Gelis sp.
Female Gelis wasp that emerged today from spider eggs sacs that I collected from my yard on March 9. \r\n6 mm
Gelis sp.
Emerged today from spider egg sac that I found on March 9. This male mated with one of the female Gelis wasps in the plastic bag that contained the sample.
Phygadeuontini
On March 9, 2022, I collected some spider egg sacs that I found under a rock in our yard. I put them in a bag to see what would come out.\r\n\r\nOn April 4, a dozen wasps emerged, mostly females. Almost immediately, the males appeared to mate with th ...
Gelis sp.
On March 9, 2022 I collected some spider egg sacs that I found under a rock in our yard. I put them in a bag to see what would come out.\r\n\r\nAbout a dozen Gelis wasps emerged, mostly females. This is one of the males. Length ~ 4 mm.
Gelis sp.
4 Apr 2022
Female Gelis wasp that emerged today from spider eggs sacs that I collected from my yard on March 9.
Gelis sp.
4 Apr 2022
On March 9, 2022 I collected some spider egg sacs that I found under a rock in our yard. I put them in a bag to see what would come out.
About a dozen Gelis wasps emerged, mostly females. This is one of the males.
~ 4mm ...
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
~ 7 mm
Ichneumonidae
(Darwin Wasps)
On side of compost\nbody length ~8 mm
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Ovipositing in rolled raspberry leaf
Xorides sp.
Ovipositing on spruce stump
Braconidae
(Braconid Wasps)
Ichneumonidae
(Darwin Wasps)
17 mm
Ichneumonidae
(Darwin Wasps)
Xorides californicus
Ovipositing in a spruce stump
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Metopiinae
Netted from snowberry bush. 8 mm
Ichneumonidae
(Darwin Wasps)
Netted from a snowberry bush. 14 mm
Xorides sp.
On spruce stump. 25 mm. 11 deg C.
Ichneumonidae
(Darwin Wasps)
14 mm
Ichneumonidae
(Darwin Wasps)
14 mm
Ichneumonidae
(Darwin Wasps)
Campopleginae
About a dozen or so of these emerged from a Trichiosoma pupa that I collected on March 31 from a Douglas Hawthorn twig. \r\n\r\n~ 8 mm\r\n\r\nI took them to the Barr Entomological Museum at the University of Idaho for identification.\r\n
Xorides sp.
Spruce stump, 7 deg C\r\nbody length 25 mm
Ichneumonidae
(Darwin Wasps)
On spruce stump\r\n6 deg C\r\n~ 22 mm\r\n\r\n
Ichneumonidae
(Darwin Wasps)
Exploring the bark of an old silver maple tree\n~ 1 cm
Monodontomerus sp.
Hanging out at the bee hotel\r\n~ 3 mm
Pristaulacus sp.
6 Jul 2018
Body length ~ 12 mm
Perithous scurra neomexicanus
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Perithous scurra neomexicanus
body length ~ 13 mm\r\n\r\n\"This is likely Perithous s. neomexicanus, the western subspecies. The host is an aphid wasp in the genus Pemphredon. See reference here.\" BugGuide\r\n\r\nThat makes sense since these ichneumon wasps are hanging out aroun ...
Gasteruption sp.
~ 13 mm\r\nPatrolling spruce stump. Caught, cooled, and photographed.
Ichneumonidae
(Darwin Wasps)
Ichneumoninae
8 Jun 2018
Malaise Trap, 8 June 2023
11 mm
Xorides sp.
This is the larger of the two female species (?) that were on the spruce stump today. This one has a black abdomen and black legs; the other two individuals were smaller with mostly red abdomens and hind legs.
Xorides sp.
Female ovipositing in a spruce stump. The whole process took about 90 minutes.
Xorides sp.
male (right) and female (left) -- the same ones as in the previous two observations
Xorides sp.
Male hanging out near ovipositing female
Ichneumonidae
(Darwin Wasps)
Xorides sp.
Large body and long ovipositor, each about 4 cm.
Xorides sp.
Body length ~ 25 mm
Ichneumonidae
(Darwin Wasps)
Ichneumonidae
(Darwin Wasps)
Spilichneumon sp.
~ 25 mm\r\nOn front porch. 10 deg C, cloudy and windy
Ichneumonini
BugGuide IDAssociated Species: Petroselinum crispum (Garden Parsley)
Buathra perplexa
Female
BugGuide
First Idaho iNat observation. I also recorded one at Idler's Rest.
Braconidae
(Braconid Wasps)