. Fig. 61. H. obscurellus. Hypopygium; penis-sheath, ventral lobe and outer lamella are seen. Venter greyish, with short, yellowish hairs. Hypopygium yellow, the basal part and the eighth segment black, the letter with partly pale hairs; the ventral lobes long and very thin, the apex dilated, black, and with a fan of long, pale yellow, curved hairs; at the ventral margin a little more forwards is a single hair; the sheath of penis

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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera