title: The ultrastructure of the abdominal trumpet gland and antennal ascoid and papilla of Chinius junlianensis Leng, 1987 (Diptera: Psychodidae).
abstract: When viewed with a light microscope, each trumpet gland of Chinius junlianensis appears as 15-20 small trumpet-shaped structures with their narrower proximal ends clustered together on the surface of a tergite. By scanning electron microscopy (SEM), however, the glands appear to be abdominal exosecreting organs with honeycomb-like openings at the inter-tergal junctions 3/4 and 4/5. Although the other ascoids of C. junlianensis are round in cross-section, each of those distal to antennal segment 8 is roughly triangular, with three ridges and three concave surfaces, and has a large oval depression at its base. The basal ridge has three to five rows of denticulations. The antennal papilla is oval, with a comb-like fence of four to five thin pointed processes on each side and a stout central spine.
authors.affiliation: Department of Medical Parasitology, Faculty of Medicine, Finan University, Guangzhou, China.
authors.forename: Y J
authors.initials: YJ
authors.lastname: Leng
authors.forename: L M
authors.initials: LM
authors.lastname: Zhang
mesh_terms: D000005:Abdomen / Q000033:anatomy & histology; D000818:Animals; D005260:Female; D008297:Male; D008855:Microscopy, Electron, Scanning; D011576:Psychodidae / Q000648:ultrastructure*