NAT-ir, PER-ir, CYC-ir and CLK-ir in the brain of <i>A. pernyi,</i> early pupal stage.

<p>(A) The topography of immunoreactive cells. Lower-case letters in the map indicate regions shown in the photographs (e.g., b is the site of B). (B) Two PER-ir neurons in the dorsolateral protocerebrum (DL). (C) Two NAT-ir neurons in the adjacent section to B in the DL. (D) CYC-ir in the DL region. (E) Two large CLK-ir neurons in the adjacent section to D in DL region. (F, I, L) CYC/CLK/NAT-ir in the DL region, respectively. (G, J, M) PER-ir in the same sections as (F, I, L) in the DL region, respectively. (H, K, N) Merged image of PER-ir and CYC/CLK/NAT-ir respectively in the DL region. (O) <i>h</i>MT2-ir in the DL regio. (P) PTTH-ir in the DL region. (Q) Merged image of <i>h</i>MT2- and PTTH-ir in the DL region. (L) MT-ir in the DL region. (M) PTTH- ir in the DL region. (N) Merged image of PTTH-ir and MT-ir in the DL region. Scale bars = 100 μm (B–E) and 100 μm (F–N).