Fig. 1

Habitus (dorso-lateral or dorsal aspect) of the third instar larva of Sciodrepoides watsoni watsoni (Spence) showing the locations of the paired glands, arrows (A, B). External morphology of the epidermal segmental glands in S. watsoni watsoni, tergite IV(C). Details of glandular complex, tergite IV, left side (D). Light microscopy. ca, carina; cpa, cuticular perforated area; co, cup-like opening; cs, campaniform sensillum; ro, rosette-like opening.