Trogoderma angustum Sol., ein neuer Schädling in Apotheken

Zusammenfassung Trogoderma angustum Sol. (Dermestidae) tritt in Berlin als neuer Schädling an den Beständen pflanzlicher Drogen in Apotheken auf. Auf einer Reihe von Drogen gelang die Entwicklung der Eilarven bis zur Verpuppung. Es werden Vorschläge zur Befallsverhinderung sowie zur insektiziden Bekämpfung unter den besonderen Bedingungen des Apothekenbetriebes gemacht.     

Untersuchungen zur Bekämpfung der Bienenmilbe,Varroa jacobsoni Oud.

Comparative study of 8 treatments was done to controlVarroa jacobsoni (Oudemans) infesting Carniolan honey beeApis mellifera L. colonies, including Apistan, Lactic acid, and Formic acid, using some methods of application. Experiments were carried out in the experimental apiary of the Faculty of Agriculture, Shebin El-Kom Egypt during the period from August to October 1991. Results showed that Apistan was the best material for controlV. jacobsoni followed by Lactic acid and Formic acid. Apistan completely controlled varroa mite at the 4 different doses (0.5, 1.0, 1.5, and 2.0 strips/colony) and no significant differences were found between the different doses. Lactic acid and Formic acid (at the rate of 1.5 cm³/frame) were slightly effective against the varroa mite in both methods of application (above and under the frames). The application of acids under the frames had better results than the application above the frames.     

Die SeidenbieneColletes daviesanus Sm., ein Gebäudeschädling

Summary An investigation of damaged buildings revealedC. daviesanus appearing locally as noxious animal, for it digs its nest cavities in various, not too hard building materials. The nest cavities are easily to be recognized by the cellophane-like covering over, the cells in linear series and the pollen brought in (Achillea-Form). His natural nesting places are steep banks of sand, sandstone or loess without shadow and more or less directed to the south.C. d. avoids clay wallsC. d. uses to nest in buildings offering adequate material like different sorts of sand-stone or mortar, which is sufficiently deep weather-beaten. ThusC. d. accellerates destruction. WhenC .d. nests in building walls, it does not matter if they are directed to the north. Damages caused byC. d. in buildings of dogger sand-stone (f. i. a church in baroque style at Drügendorf/Forchheim) and Main sand-stone (f. i. Abbey of Ebrach) as well as in the mortar of frame-houses in and around Erlangen are described.

---

---

I, Zoolog. Institut der Universität Erlangen-Nürnberg, 852 Erlangen, Universitatstarße 19.     

Die Atemgiftwirkung neuer insektizider Mittel

Ohne Zusammenfassung     

Mesopolobus pinus Hussey, 1960 (Hym., Pteromalidae), ein neuer Parasit vonMegastigmus suspectus Borries, 1895 (Hym., Torymidae) in Weißtannensamen

A hitherto unknown parasite of theMegastigmus suspectus larvae, the pest of fir-seeds (Abies alba Mill.), was found and identified asMesopolobus pinus. It was stated from the Roztoczański National Park in Poland. That this parasite is able to play considerable role in the limitation ofMegastigmus suspectus population.     

Inostemma melicerta Walker, 1835 (Hym., Platygastridae), ein neuer Parasit vonResseliella piceae Seitner, 1906 (Dipt., Cecidomyiidae) in Weißtannensamen

A hitherto unknown parasite of theResseliella piceae larvae, the pest of fir-seeds (Abies alba Mill.), was found and identified asInostemma melicerta. The material originated from the Piwniczna Management Unit in Beskid S?decki Mts. in southern Poland.     

Gnathotrichus materiarius Fitch (Col., Scolytidae) in Pheromonfallen vonIps cembrae (Heer) (Col., Scolytidae), ein neuer Fundort für NW-Deutschland

Several individuals of the ambrosia beetleGnathotrichus materiarius Fitch were captured by Pheromone traps ofIps cembrae within stands ofLarix kaempferi andPinus sylvestris in the forest district of Lingen (Emsland). So this bark beetle introduced from North America (“Eastern Pine Wood Stainer”) should be settled in NW Germany.     

Die Bienenzucht,auch ein Glied der angewandten Entomologie

Ohne Zusammenfassung     

Ernobius kailidisi Johnson (1975) (Coleoptera,Anobiidae), ein neuer Tannenzapfenschädling in Griechenland

Ernobius kailidisi Johnson is a new species which attacks the cones ofAbies cephalonica andA. borissi-regis in Greece. It is likeErnobius abietis, so that earlier was confused with it. It is an univoltine insect, the adults fly from April until June and deposite their eggs between the scales of the new fir-cones. The larvae have 5 instars, bore in the cone axis and eat on cone scales and seeds. New adults hatch in early September of the same year but they remain in the attacked cones. The insect overwinters as adult or as mature larva in the cones.     

Pinus sylvestris L., Die gemeine Kiefer

Ohne Zusammenfassung     

Pinus sylvestris L., Die gemeine Kiefer

Ohne Zusammenfassung     

Pinus sylvestris L., Die gemeine Kiefer

Ohne Zusammenfassung     

Pinus sylvestris L., Die gemeine Kiefer

Ohne Zusammenfassung     

Die Esche(Fraxinus excelsior L.) — ein Baum des Leipziger Auwaldes?

Zusammenfassung Die historische Analyse der Waldentwicklung des Leipziger Auwaldes ergab, da?Fraxinus excelsior bis Mitte des 19. Jahrhunderts nicht in der Baumschicht vorkam. Ihre Einbringung erfolgte durch forstliche Ma?nahmen beginnend am Ende des 18. Jahrhunderts und wurde ab 1870 verst?rkt. Heute ist die Esche die h?ufigste Baumart im Leipziger Auwald. Weitere Beispiele zeigen, da? der Eschenanbau keine lokale Erscheinung darstellt, sondern auch in anderen europ?ischen Gebieten zur gleichen Zeit erfolgte.      

Die Katze als Schmetterlingsfänger — ein alter gemütvoller Symbolismus Ostasiens

Ohne ZusammenfassungIn Verehrung und mit herzilchen Glückwünschen Herrn Universitäts-Professor em. Dr. Dipl.-Ing. ERWIN SCHIMITSCHEK zum 75. Geburtstag am 31. März 1973 gewidmet.