. Dipterologische studien. Dolichopodidae. Fig. 33. Kopf von vorne. Fig. 34. Koiil' von der Seite. Psüiscldum laevigatum Beck. 18 Fig. 30. Flügel. Psüischium laevigatum Beck cT. 12:1. Fig. 35. Hinterbein. Psilischitivi laevigatum Beck. Cf. 18:1. Fig. 30a. N'onlerUein. Psilischium laevigalum. cf. 18 : 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 Becker, Theodor. Wien, Zool. -botan. gesellschaft

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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1921