Kai Gloyna

Kai Gloyna
State Office for Health and Social Affairs Mecklenburg-Western Pomerania · Health

Diplom Biologist

About

20
Publications
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110
Citations

Publications

Publications (20)
Article
Full-text available
Allergene Pollen sind natürliche, biologische luftgetragene Partikel und der Hauptauslöser allergischer Atemwegserkrankungen. Die Messung allergener Pollen ist Voraussetzung für die gesundheitliche Vorsorge und zeigt Veränderungen im Pollenspektrum an, wie sie zum Beispiel im Rahmen des Klimawandels zu erwarten sind. Das in Deutschland einzige bund...
Article
Full-text available
From 2005 to 2015, Ostrinia nubilalis were collected in the most important maize-growing areas in Europe where MON 810 was cultivated. The susceptibility of these O. nubilalis collections to the Cry1Ab protein was determined using overlay bioassays and compared to that of reference (control) strains. Larvae that died or did not moult after 7 days w...
Article
Ochroconis aquatica, a novel species of the melanized genus Ochroconis (Sympoventuriaceae, Venturiales), is recognized by phylogenetic analyses using nuclear ribosomal DNA genes (nuSSU, ITS, nuLSU). It clustered in a clade containing species with mostly 4-celled as a sister of O. anellii, consistent with its morphology but slightly different in gro...
Article
Full-text available
Previous light microscopy studies revealed a hairless patch on the feet of male Diabrotica virgifera virgifera. However, in related species of chrysomelid beetles the males have special adhesive setae with discoid terminals, which adhere to the elytra of females during copulation. In the present study, we examined the pretarsi of D. virgifera virgi...
Article
Full-text available
Due to the great ecological plasticity and adaptability of the western corn rootworm, Diabrotica virgifera virgifera LeConte, the unilateral use of one control option could result in it becoming less effective within a few years. Therefore, no one option alone is sufficient for resolving the problem with D. virgifera virgifera. In fact all possibil...
Article
Full-text available
The objective of this study was to obtain data that could be used to develop a model for forecasting the occurrence of Diabrotica virgifera virgifera. The model currently available is mainly based on results from American studies using non-diapausing beetles, but the biological performance (fitness and mobility) of American nondiapausing beetles an...
Article
Full-text available
In a series of greenhouse experiments the host status and quality of 49 biofuel plants for the larvae of WCR were evaluated. The plants tested (18 species and varieties of Sorghum, 16 forage grasses, 6 Miscanthus genotypes, 6 Panicum varieties and 3 broadleaf species) were grown for at least three weeks before they were used in the bioassays. The i...
Article
Full-text available
A soil washing apparatus was constructed and tested in collaboration with colleagues from the grant authority and project partners in Austria and Romania. It is based on a similar apparatus used in the USA but our apparatus can quickly process a large number of samples. The eggs were extracted by sieving and then floating on MgSO4-solution followed...
Article
Full-text available
A new species of Mengenilla Hofeneder, 1910 (Strepsiptera, Mengenillidae) from southern Tunisia is described. Mengenilla moldrzyki sp. n. can be distinguished from congeners by a slightly emarginated posterodorsal margin of the head, compound eyes with a light tan dorsal part, mandibles with a narrow distal part, and a v-shaped pronotum. With the d...
Article
Full-text available
The EU policies for decreasing reliance on fossil fuels and reducing greenhouse gas emissions present challenging targets for bioenergy production. Field trials in Europe of Miscanthus×giganteus (Poales: Poaceae) over the past 20 years have shown that this plant is suitable for the production of biomass but the economic models promoting its use for...
Article
Full-text available
Bioassay procedures were developed for determining the susceptibility to organophosphates of oilseed rape pollen beetles. Technical-grade and formulated chlorpyrifos-ethyl were tested using single applications of a series of different dosages. The inner wall of glass tubes were treated with these test substances and dried by rotating them on a roll...
Article
Three different bioassays were used to determine the susceptibility to the neonicotinoid Biscaya® of oilseed rape pollen beetles collected from fields in Bavaria. The one in which the test substance was applied to the inner wall of glass tubes is recommended for future studies on pollen beetles because it is not dependent on the availability of pla...
Article
The resistance of oilseed rape pollen beetles to lambda-cyhalothrin has increased in Germany over the period 2002 to 2007. Oilseed rape pollen beetles are very good at dispersing, therefore field results should always be compared with those of laboratory experiments. The response of oilseed rape pollen beetles to active substances may not be the sa...
Article
Full-text available
Since the late 60s it is known that larvae of the Western Corn Rootworm (Diabrotica virgifera virgifera LECONTE 1868 (Coleoptera, Chrysomelidae)) do not only feed on maize. BRANSON & ORTMAN (1967 & 1970) recorded nearly twenty possible monocotyledonous host plants for the larvae of D. virgifera virgifera in the USA. For this reason we determined th...

Questions

Question (1)
Question
Dear colleagues,
I'm an applied enotmologist employed at the State Office for Health and Social Affairs Mecklenburg-Western Pomerania, N-Germany. One of the services we offer is to determine arthropods suspected to be pest species or parasites etc, collected by private persons or pest management professionals etc.
From time to time we receive Bethylidae too, in most cases people got stung before ...
The last speciemen were send a few days ago. It is a brown, wingless female, claws are simple without a basal hook, antenna 12-segmented. Regarding the keys available to me (Perkins 1976, Peeters et al. 2004, Azevedo et al. 2018, Sellenschlo 2019) it should be a Cepalonomia sp., probably C. gallicola? But the distal antennal segments aren't black – is this really a characteristic of C. gallicola? Unfortunately I'm not familiar with Bethylidae.
As far as I could find out C. gallicola is not recorded for Germany jet, so may my id is wrong.
So please have a look to the attached pictures, hopefully they are detailed enough to clarify the species. Please let me know if you should need other details/views ... if necessary I'll send the speciemen to one of you. (the cuticular surface was still a bit wet due to a storage in glycerine, before I've taken the pictures)
Thanks a lot for any comments or suggestions,
Kai

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