From: Expansions and contractions in gene families of independently-evolved blood-feeding insects
 | Sex | Intercourse | Feeding | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Female | Both sets | Male | Mated | Both sets | Virgin | Blood | Both sets | Non-blood |
Rapid evolving families | 13 | 4 | 26 | 9 | 2 | 1 | 9 | 11 | 18 |
Slow evolving families | 10 | 16 | 9 | 2 | 2 | 1 | 2 | 1 | 11 |