. Einführung in die Kenntnis der Insekten. Entomology. Fig. 283. Tracheenblasen aus dem dritten Hinterleibsringe eines Mistkäfers, Oeotri/pes sylvaticus. Origin. st4, viertes Stigma; st5, fünftes Stigma; tr, Tracheenäste; fk, Fettkö 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 Kolbe, Hermann Julius. Berlin, Dümmler

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