Download Briefe uber Blattminierer / Letters on Leaf Miners by E.M. Hering PDF

By E.M. Hering

My organization with Prof. Hering extends over the last seventeen years, and through this era i've got visited him at his domestic on greater than 40 events and acquired over three hundred letters from him. those letters include a lot exact entomological info. additionally they throw massive mild on Prof. Hering's character and personality and the historical past opposed to which he labored. The booklet of no less than a part of those letters as a last tribute to Prof. Hering has been in my brain for a few years. This unique thought has now been a little bit prolonged by way of the inclusion of a host ofletters to Dr. H. Buhr, Dr. J. Klimesch, Dr. F. Groschke and G. C. D. Griffiths, all of whom shared Prof. Hering's curiosity in leaf-miners. even if Dr. Buhr is essentially a botanist, with Hering's encour­ agement he has taken an energetic curiosity in leaf-miners all through his occupation and his striking amassing turns into obvious from Hering's letters to him. for a few years Prof. Hering has written among and 3 thousand letters every year. It has evidently been attainable to contemplate the following just a very small share of those. From a few of the longer letters basically remoted paragraphs were integrated. Use of italics within the letters was once no longer solely constant and has been reproduced as utilized by Prof. Hering. collection of the letters has been dependent totally on their entomolo­ gical curiosity yet quite a few passages have additionally been integrated illustra­ ting in a roundabout way Hering's own characteristics.

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Additional info for Briefe uber Blattminierer / Letters on Leaf Miners

Sample text

Identifiziert, nun habe ich sie im vorigen Jahre als Larve in Menge eingetragen, an Secale, Hordeum und Triticum, Arrhenaterum, Poa und Calamagrostis, so daB ich reiches Material davon habe, an dem ich die Verschiedenheiten studieren konnte. Trotz we itgehender Ahnlichkeit sind beide Arten in den Genitalien grundverschieden und gehoren nicht einmal in dieselbe Gruppe. , die ich noch nicht zog, aber auf den Canaren Eng, Venturi (I936) hat sie dann als Gramineenspezialist entlarvt. Sie hat gelbe Stirn und Knie, die neue Art beides schwarz, neb en Beborstungseigentumlichkeiten.

Obgleich ich zahlreiche Alliaria-Stengel ausgezupft habe, fand ich noch keine Larve der Ophiomyia und mochte Dich noch besonders auf diese Art hetzen. Die Larve habe ich bereits untersucht, fehlt mir nur noch die Imago und die Genitalien, vielleicht hast Du mehr Gluck damit als ich. An Achillea grandifolia fand ich in diesem Jahre auBer der Phytomyza ptarmicae, die wir im vergangenen Jahre gemeinsam daran fanden, auch noch eine Liriomyza, die moglicherweise millefolii Hering sein kann. Lupinus albus wie auch die beiden Trigonella-Arten besuche ich jedesmal, aber sie haben bis jetzt ihrem Rufe als Bridging species noch keine Ehre gemacht.

Mai I9J2 Ich habe die gestern gefundenen Sacke noch einmal genauer verglichen mit meinem frliheren Zuchtmaterial der ochripenneIla, aber diese Art kommt nicht in Frage. Die Sackunterschiede, die ich in den Tabellen bei Lamium angab, sind stichhaltig, bei meinem wie auch bei reichhaltigem Material der Sammlung Minneberg. Es handelt sich also sicher wieder um C. lineolea Hw. Es scheint, als ob die Larvenentwicklung bei dieser Art verschieden schnell vor sich geht, was man auch von anderen Coleophora-Arten kennt, die in ganz verschiedenen Stadien uberwintern.

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