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

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 got over three hundred letters from him. those letters comprise a lot designated entomological details. in addition they throw huge mild on Prof. Hering's character and personality and the historical past opposed to which he labored. The book 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 notion has now been just a little prolonged via 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 lively curiosity in leaf-miners all through his occupation and his awesome gathering 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 think about right here just a very small share of those. From a number of the longer letters in simple terms remoted paragraphs were integrated. Use of italics within the letters used to be no longer solely constant and has been reproduced as utilized by Prof. Hering. choice of the letters has been established totally on their entomolo­ gical curiosity yet a variety of passages have additionally been integrated illustra­ ting in a roundabout way Hering's own characteristics.

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Extra resources for Briefe uber Blattminierer / Letters on Leaf Miners

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Mussen eine dritte Generation darstellen. DaB die Fliegen jetzt schlupfen, laBt vielleicht vermuten, daB es noch eine 4. Generation davon geben wird. Vielleicht achtest Du einmal gelegentlich darauf. Berlin, den Il. Marz I9J} AIle an Vicia gefundenen Platze gehorten nicht zu Agr. , sondern zu A. , die mir nun geschlupft ist. A. viciae KItb. friBt rein oberseitig und beginnt immer an der Blattspitze, A. felled dagegen friBt beiderseitig und laBt griine Parenchyminseln stehen, daher das scheckige Aussehen.

N. Der Gang beginnt meist unterseitig und entfernt sich alsbald von der Eiablagestelle. Auch wenn er oberseitig beginnt, wendet er sich bald nach der Unterseite. Namentlich bei Pisum verlauft er in vielen Fallen ausschlie13lich unterseitig, sonst kommt er erst ganz zuletzt nach der Oberseite. Sehr gern verlauft er auf dem Medianus, wodurch meine urspriingliche Vermutung einer "pseudostrigata" sich erklart. Dann aber finden sich nicht die ± regelma13igen Schragabzweigungen der echten strigata. Hinterstigmentrager bei allen von mir untersuchten Larven und Puparien 7 knospig.

Felled dagegen friBt beiderseitig und laBt griine Parenchyminseln stehen, daher das scheckige Aussehen. Ich bedauerte, daB wir letzte bei Burg Stargard nicht gefunden haben. Ulkig ubrigens, daB aus Deiner Zucht von Lusewitz, Lonic. , auch einige Stucke der Ph. hendeliana m. -D. nicht anwendbar ist, in doppelter Beziehung! Ich fand nach vielem Muhen neben einigen nicht immer konstanten Merkmalen zwischen den beiden so ahnlichen Arten nun doch ein plastisches: bei Ph. -D. ist der vorderste Ocellus vom Vorderrand der Ocellendreiecksplatte breit getrennt Ct der Entfernung zwischen 2 Ocellen), bei Ph.

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