. Annals of tropical medicine and parasitology. Parasites. 248 end in a ventral direction. Membrane joining the atdoeagus to the ninth sternite covered all over with spicules. Gold Co.\ST: Dodowah, i8th February, 1922; two females and one male, reared from material taken from a rot-hole in a mango tree. Thysanogtiathiis {Frionognathus) melanosiiitus, sp. nov. Measurements. Length of body (one male) Length of wing Greatest breadth of wing . l-o mm. 09 mm. 0-3 mm. Head brown. Eyes separated, the space t)etween them being wedge-shaped, broadest at the vertex. Clypeus, proboscis, and palpi brown.


. Annals of tropical medicine and parasitology. Parasites. 248 end in a ventral direction. Membrane joining the atdoeagus to the ninth sternite covered all over with spicules. Gold Co.\ST: Dodowah, i8th February, 1922; two females and one male, reared from material taken from a rot-hole in a mango tree. Thysanogtiathiis {Frionognathus) melanosiiitus, sp. nov. Measurements. Length of body (one male) Length of wing Greatest breadth of wing . l-o mm. 09 mm. 0-3 mm. Head brown. Eyes separated, the space t)etween them being wedge-shaped, broadest at the vertex. Clypeus, proboscis, and palpi brown. Second, third, and fourth palpal segments sub-equal, fifth longer, slightly dilated distally. Antennae : torus very large, brown; flagellum unfortunately missing. Thorax greyish-brown with small dark brown spots. Scutellum greyish-brown, dark brown mesially, bearing four central bristles, two anterior and two marginal, the latter close together. Post-scutellum dark brown with two large pale grey areas anteriorly. Pleurae brown. Wings hyaline with small blackish spots as shown in the figure (see fig. 3). Decumbent. Fig. 3. Thysamgnathiis (Pi iomgnalhus) melanosiictus, , wing of male to show adornment and venation, x c. 90. hairs practically absent, only one or two being present at the periphery near the tips of the wings. Halteres with greyish-brown, almost white, knobs. Legs greyish-brown with dark markings similar to those of P. vtarmoraius. Claws similar to those of P. marmoratus. Abdomen dark brown with pale grey markings. Hypopygium (fig. 4). Somewhat similar to that of P. marmoratus, not very highly chitinised. Ninth segment: tergite moderately long, feebly chitinised especially posteriorly, dorsal surface with six. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Liverpool School of Tropical Medici


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectparasites, bookyear19