Adil GÜNER, Vehbi ESER - optima

Posters
104
FLORAL ASSOCIATIONS OF HALICTUS
(HALICTIDAE:APOIDAE:HYMENOPTERA) OF TURKEY’S
MEDITERRANEAN REGION
Fatih D�KMEN 1 , Demet TÖRE 1 , Sad�k ER�K 1, A. Murat AYTEK�N 1
1 Hacettepe University, Faculty of Science, Biology Department, Ankara,
dikmen@hacettepe.edu.tr , dtore@hacettepe.edu.tr, serik@hacettepe.edu.tr, ama@hacettepe.edu.tr
Information deficiencies exist regarding the floral associations of wild bees. The main
objective of this study was to investigate the plant preferences of Halictus (Halictidae:
Apoidea: Hymenoptera) species that are distributed in Mediterranean Region of Turkey. Field
studies were performed in spring and summer seasons of 2008 and 2009. All bee specimens
were collected via nets. Meanwhile, the plants that have been visited by bees also recorded or
collected for diagnosis. In total, 76 stations were checked in 15 provinces. As a result, 500 bee
specimens from 19 species were collected. 53 plant taxa were found related with Halictus
species. Most common genera and families of visited flowers were discussed regarding the
plant taxa preferences of this species.
Keywords: Apoidea, Halictus, Flowers visits, Asteraceae, Turkey
SEED CHARACTERISTICS AND TESTA TEXTURES OF TURKEY
SPECIES FROM THE SECTION PLATYSTYLIS (SWEET) BÄSSLER
(LATHYRUS L., FABACEAE)
Fatma GÜNE�
Kafkas University, Faculty of Arts and Science, Department of Biology, Kars, TURKEY,
drgunes@gmail.com
In this study, the seed morphologies and testa properties of 15 taxa belonging to the
Plathystylis section of the Lathyrus (Fabaceae) genus have been analyzed. These taxa are the
following; L. pallescens (Bieb.) Koch, L. brachypterus Cel. var. brachypterus, L.
brachypterus var. haussknechtii (Sirj.) Davis, L. karsianus P. H. Davis, L. satdaghensis P. H.
Davis, L. nivalis Hand.-Mazz, L. armenus (Boiss. & Huet) Širj., L. cyaneus (Stev.) Koch var.
cyaneus, L. digitatus (Bieb.) Fiori, L. tukhtensis Czecz., L. variabilis (Boiss. & Ky.) Maly, L.
spathulatus Cel. L. elongatus (Bornm.) Sirj., L. cilicicus Hayek & Siehe, L. boissieri Sirj. For
each taxon 100 seeds have been analyzed which are collected from three different localities
making the total number of analyzed seeds 300. The analyzed morphological properties are
the seed shape, color, length, width, surface shape, hilum length and hilum width. Also the
testa properties of the seeds were analyzed from the photographs taken by using a scanning
electron microscope (SEM). The stereo microscope and scanning electron microscope (SEM)
photographs of the taxa have been added to the study.
Keywords: Lathyrus, Section Plathystylis, seed morphology, testa textures, Turkey
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