The Phylogeny of the Hymenopteran Brain

Table I
a (µ) b (µ) c (µ) h (µ) a/b a/c h/b h/c
Cabro cribarirus ♀ 911,4 824,6 1649,2 390,6 1,10 0,552 0,473 0,256
Prosopis variegata ♀ 694,4 607,6 2215,2 303,8 1,14 0,313 0,500 0,137
Shecodes gibbus ♀ 889,7 868,0 1822,8 379,75 1,02 0,488 0,437 0,208
  • a = greatest width of mushroom bodies line a-a

  • b = greatest width of the protocerebral lobes line b-b

  • c = greatest distance between the medullae of the optic lobes line c-c

  • h = greatest height of the mushroom bodies line h

  • These four measurements are given in micrometers (µm). From these measurements, the ratio values or “indices” indicated as a/b, a/c, h/b, h/c are derived”.

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  1. Learn. Mem. 31: