The "Comstock-Needham system" designed by two entomologists describes these veins and their branches:
ð ə WORD_BOUNDARY k ə m s t ɑ k n iː d æ m WORD_BOUNDARY s ɪ s t ə m WORD_BOUNDARY d ɪ z aɪ n d WORD_BOUNDARY b aɪ WORD_BOUNDARY t uː WORD_BOUNDARY ɛ n t ə m ɑ l ə d̠ʒ ɪ s t s WORD_BOUNDARY d ɪ s k ɹ aɪ b z WORD_BOUNDARY ð iː z WORD_BOUNDARY v eɪ n z WORD_BOUNDARY æ n d WORD_BOUNDARY ð ɛ ɹ WORD_BOUNDARY b ɹ æ n t̠ʃ ɪ z WORD_BOUNDARY