Table 1.

Percentage of male investment in the sphragis based on male’s weight. Data adapted from Orr (1988).

	Male investiment on the sphragis (% body weight)
Parnassius glacialis (Papilionidae: Parnassiinae)	20.5 ± 2.7
Parnassius apollo (Papilionidae: Parnassiinae)	7.4 ± 2.5
Luehdorfia japonica (Papilionidae: Parnassiinae)	9.8 ± 5.7
Cressida cressida (Papilionidae: Papilioninae)	6.7 ± 1.1
Euryades corethrus (Papilionidae: Papilioninae)	8.6 ± 1.0
Parides proneus (Papilionidae: Papilioninae)	3.1 ± 1.5
Acraea serena (Nymphalidae: Heliconiinae)	3.3 ± 0.4
Acraea anemosa (Nymphalidae: Heliconiinae)	6.1 ± 0.9
Acraea andromacha (Nymphalidae: Heliconiinae)	3.1 ± 0.2