An important recent study of alimentary canal in adult Cleridae (Ekis and Gupta 1971) led its authors to conclusion that several of organs . . . and structures ... seem to have taxonomic significance; though authors suggested that 44 species studied by them were an inadequate sample on which to base phylogenetic and systematic conclusions, it appears to me that a review of their results in conjunction with some other lines of evidence might be worth while at this stage. The species studied by Ekis and Gupta included representatives of all 8 subfamilies of Cleridae recognised by Crowson (1964), and in 5 of subfamilies, more than one genus was studied. At least 4 of characters recorded seem to have systematic value. The first is relative length of stomodaeum, as compared with mid-gut and proctodaeum; second, structure of stomodaeal valve, at junction with mid-gut; third, presence or absence of regenerative crypts on mid-gut surface; fourth, number of Malpighian tubules. By means of these characters, it seems that it may be possible to distinguish most of subfamilies hitherto recognised in Cleridae. A very long stomodaeum, about as long as entire mid-gut or proctodaeum, distinguishes gut of Thaneroclerus buqueti Lefebv., only species of Thaneroclerinae studied, from all others. The same species was also only one to possess a smooth mid-gut without regenerative crypts in conjunction with a stomodaeal valve composed of 8 lobes (4 larger primary ones and 4 shorter secondary ones); it has only 4 Malpighian tubules like all other species with smooth midguts. In 1964 I referred to subfamily Thaneroclerinae as the most distinct and isolated among living and this conclusions seems to be supported by structure of alimentary canal. The structure of stomodaeal valve, which unfortunately Ekis and Gupta were unable to study in some of their species, may serve to set Tillinae apart from other Cleridae except for Thaneroclerinae; at least Cymatodera oblita Horn was found to have 4 primary and 4 secondary lobes like Thaneroclerus. In Phyllobaeninae and Clerinae, 4 primary and only 2 secondary lobes appear to be norm; these two subfamilies also agree in having 6 Malpighian tubules and mid-gut with regenerative crypts. The last two characters they share with Corynetinae, represented by two species of Necrobia, which however agree with Epiphloeinae, Enopliinae and Tarsosteninae in having only 4 primary lobes in stomodaeal valve. The 3 last-named subfamilies, at least in their species studied by Ekis and Gupta, all have 4 Malpighian tubules; Epiphloeinae (represented by one species of Phlogistosternus) and one section of Enopliinae (represented by species of Cregya and Enoplium) have mid-gut set with regenerative crypts (small in Enopliinae), while other section of Enopliinae (represented by species of Chariessa and Orthopleura) and Tarsostenus univittatus Rossi (Tarsosteninae) have quite smooth mid-guts like Thaneroclerus. For comparison with results of Ekis and Gupta, I have made superficial observations of gut in Chaetosoma scaritides Westw., representing family Chaetosomatidae, closest sulviving relatives of Cleridae, and of Trogossita coerulea 01. (Temnochila coerulea auctt.) representing