Acroceridae
| Nederlands | : | Spinvliegen |
| English | : | hunch-back flies, small-headed flies |
| Deutsch | : | Kugelfliegen |
| Svenska | : | Kulflugor |
| Acrocera orbiculus |
| Authority | : | (Fabricius, 1787) |
| English | : | top-horned hunchback |
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| Aekingerzand, the Netherlands; 1 August 2015. Females. | ||
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| Fochteloërveen, the Netherlands; 11 August 2012. Female. | ||
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| Fochteloërveen, the Netherlands; 2 August 2015. Mating ball. | |
| Acrocera sanguinea |
| Authority | : | Meigen, 1804 |
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| Ville sur Sarre (Valle d'Aosta), Italy; 28 July 2018. Female. | |
| Cyrtus gibbus |
| Authority | : | (Fabricius, 1794) |
| Synonyms | : | Syrphus gibbus Fabricius, 1794 |
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| Aizac (Ardèche), France; 3 August 2011. | |