Fig. 2 in Morphological Changes in Reproductive Organs and Neuroendocrine Centers Related to Nesting, Mating, and Larvicide Behavior in Eurysternus mexicanus Harold (Scarabaeinae: Eurysternini)

Fig. 2. Variations in neurosecretion content in pars intercerebralis A cells in Eurysternus mexicanus males and females. a, minimum amount indicating that cells are active and producing neurosecretions (+); b, moderate amount being secreted by cells (++); c, maximum amount when cells are inactive and no longer producing neurosecretions (+++).