Phylogenetic tree of insulin-like peptides (ILPs) and insulin.

<p>Ha: <i>Homo sapiens</i>, Aa: <i>Aedes aegypti</i>, Ag: <i>Anopheles gambiae</i>, Bc: <i>Branchiostoma californiense</i>, Bm: <i>Bombyx mori</i>, Bt: <i>Bos taurus</i>, Ce: <i>Caenorhabditis elegans</i>, Cg: <i>Crassostrea gigas</i>, Cp: <i>Culex pipiens</i>, Cq:<i>Culex quinquefasciatus</i>, Dm: <i>Drosophila melanogaster</i>, Dn: <i>Dufourea novaeangliae</i>, Em: <i>Eufriesea Mexicana</i>, Hl: <i>Habropoda laboriosa</i>, Hs: <i>Homo sapiens</i>, Lm: <i>Locusta migratoria</i>, Mq: <i>Melipona quadrifasciata</i>, Nl: <i>Nilaparvata lugens</i>, Pc: <i>Priapulus caudatus</i>, Zn: <i>Zootermopsis nevadensis</i>.</p>