“…Tibial gland is a term introduced by Gonçalves et al (2010) to refer to the tibial part of the tarsal gland. Tarsal glands presence is highly variable among taxa, but they may occur on the distal side of the tibia, and on the 1st, 2nd and 3rd tarsomere (Bacchus, 1979;Soares and Costa-Leonardo, 2002), and the ultrastructure of the secretory cells is identical between tibia and tarsal segments at least in Reticulitermes lucifugus ( Sobotník and Weyda, 2002). In conclusion, our opinion is that termite glandular set comprises 19 distinct known exocrine organs, that are epidermal tegumental glands, bicellular unit tegumental glands, frontal gland, labral gland, mandibular base glands, mandibular glands, labial glands, tarsal glands, lateral thoracic glands, dehiscent glands, tergal glands, sternal glands, posterior sternal glands, spermathecal gland, pleural abdominal glands (reviewed by Gonçalves et al, 2010), hypopharyngeal gland (Brossut, 1973), crystal glands ( Sobotník et al, , 2014, posterior tergal glands (CostaLeonardo and Haifig, 2010) and the clypeal gland described here.…”