Termitidæ, 6 (many in the young, Rathke).
Mallophaga, 4.
Physapoda, 4.
Hemiptera, 2 (Coccidæ, none in Aphidæ).
Neuroptera, 6–8. (In Sialidæ and Rhaphididæ 6; in Myrmeleonidæ and Hemerobiidæ, 8).
Trichoptera, 6.
Mecoptera, 6.
Lepidoptera, 2–4–6 (2 in Tinea, Tineola, and Blabophanes; in Pterophorus and Yponomeuta, 4).
Coleoptera, 4–6; never more.
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