The Evolution of Novelty in Conserved Gene Families

Table 1

Decoupling between species number and genome acceleration rates in holometabolous insects.

Order	Approximate number of described species
Diptera	150 000
Mecoptera	600
Siphonaptera	1750
Trichoptera	7000
Lepidoptera	120 000
Total mecopterida	279 350 species
Coleoptera	350 000
Strepsiptera	600
Hymenoptera	115 000
Neuroptera	6000
Raphidioptera	210
Megaloptera	300
Total nonmecopterida	472 110 species