Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 99. (Budapest 2007)

Bálint, Zs., Horváth, Z. E. , Kertész, K. , Vértesy, Z. ; Biró, L. P.: Observations on scale structures and spectroscopic properties of Polyommatus lycaenid butterflies (Lepidoptera: Lycaenidae)

Then during courtship, when sexes are physically getting closer the male scent activates the female for copulation by pheromones, which are in the special androconial scales covered by the piliform scales (Fig. 15). Therefore most probably the function of the piliform scales, the male "fur" is to keep the scent in the male wing as long as possible (BÁLINT et al., in prep.). However the scents can work only when light signal allows conspecific individuals of proper sexes to communicate. Methodology - Via our calculations, measurements and observations it seems that PBG indeed can characterise and identify small natural groups (= clusters of species with an immediate common ancestor), and in quantitative terms they can be used for species discrimination. Therefore both of our hypotheses were supported by measurable objective data. The spectral characteristics of the targeted taxa reflect the actual position of the species in the phyletic lineage, whether they have a common origin or they are distantly related. Thus spectral data may prove a very simple and handy tool in characterising butterfly Fig. 15. Scanning electron micrograph of Polyommatus coridon (PODA, 1761) showing ground(A) and cover-scales (B), plus specialized androconial (C) and pilifrom (D) scales