Tribonium guttulosum (Walker, 1868). 17habitus, dorsal view 18 head, ventral view 19 pronotum, dorsal view 20 supranal plate, dorsal view 21 subgenital plate, ventral view 22 left phallomere, dorsal view 23 median sclerite, dorsal view 24 right phallomere, dorsal view.