| Gasteruption assectator |
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| Amstelveen, the Netherlands; 24 May 2008. | ||
| Gasteruption erythrostomum |
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| Amstelveen, the Netherlands; 28 June 2015 & 5 June 2016. |
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| Amstelveen, the Netherlands; 28 June 2015 & 5 June 2016. | |||
| Female ovipositing in nest of the bee, Chelostoma rapunculi. From left to right: female entering nest, abdomen first; presumed oviposition; just after oviposition; cleansing. |
| Gasteruption cf. jaculator |
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| Malvaglia (Tessin), Switzerland; 15 July 2007. |