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• Nature
• Animals
• Arthropods
• Flies & Allies
• Insects
• Mayflies

	Parent	Category	Figures
1	Heptageniidae	Maccaffertium	285
2	Heptageniidae	Epeorus	150
3	Heptageniidae	Heptagenoidea	140
4	Heptageniidae	Stenonema	114
5	Heptageniidae	Leucrocuta	112
6	Heptageniidae	Heptagenia	49
7	Heptageniidae	Rhithrogena	35
8	Heptageniidae	Ecdyonurus	22
9	Heptageniidae	Cinygmula	21
10	Heptageniidae	Nixe	14
11	Heptageniidae	Arthroplea	12
12	Heptageniidae	Ironodes	7
13	Heptageniidae	Cinygma	6
14	Heptageniidae	Raptoheptagenia	2
15	Heptageniidae	Paegniodes	2
16	Heptageniidae	Atopopus	2
17	Heptageniidae	Afronurus	2
18	Heptageniidae	Electrogena	1