Acta Zoologica Academiae Scientiarum Hungaricae

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Acta ZOOIogica Academiae Seientiarum Hungaricae 22, 2976

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Aeta Mologica Aeademiae Seientiarum Hungarieae 22, I976

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stricted at Il4, thus hase capitate, the rest clavate, with severat indefinite chitinous cornuti Fig. I: C). Apari fro in these seatures, the genital organagrees with that of E. bohatschi SΤGR. Male sternite VIII with two long and narrow horn S, curved like a forceps and widening at their bases Fig. 2: Fi.

Aeta Mologica Academiae Scientiarum Hungaricae 22, 1976

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Κey to the species based On the imagos

Key to the species based on the male genitalia In spite of the undent able differetices extant with respect to the Ahape of the Valvae per Species, the aedoeagus exhibiis the best differentiating characters for identification. The valvae are rather son and their Shape mighthe altered during preparation or imbedding in the Stide. The aedoeagus cantio far tess deformed.

Aeta Mologica Aeademiae Seientiarum mngarieae 22, I976

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Κey to species based ori male sternite VIII The specie S a S Signable to the grOul' in que Sti On have a characteri Stic sternite VIII with two conspicuous and Striking appendage S Or Uli Orn SV, inde ed, the sternite consistS mere ly of the Se two h Orn S connected by a wider

Key to the species based on the semule genitalia ΚοCΗ I96Ι) po inted o ut that the study of the se male genitalia of many

lepido plerous families, thus also in the Geometridae, is at lea Si as importantas that of the male organs. I also found ΟΙΝΙ TS, 19T2) that in severat species-groups of the genuS Eupithecia CURTIS the se male genital apparatus exhibiis extraordinarily well-desine d characters - so much so that the identificationos a number of problematic species is considerably safer by the se male genitaliathan by the male ones.' This holds also for the bohatschi alliatice. The differetices between the features of the se male genitalia are con SpicuouS, and theyean he expressed even in figures, whereas thi S cannot he maintained for a great number of the male S the Shape of the valvae, etc.). Concerning the Strueture of the se male genitalia, it should he noted that the bursae of the respective Specie S are heavily SclerotiZed, hunc e the Shape of the bursa or iis longitudinalsection in the si ide) rem aliis una iter d.

anales wide, flat. anterior apophyses ΠOt reaching diameter of bursa, POSteriores oneatid a half longili os diameter. Wali of burga covered Mith large, sparsely SPaced Spines konradi SP. n. 4 3, Diameter of hursa a bout one-fourth or less of entire tength of genitalia. Papillae anales elongated, anterior apophyses longer than diameter of hursa, posteriores longer This is in contradiction with ΡΕΤERSEN's vlew 1909), who wro te of a mantiliche

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Aeta Mologica Aeademiae Scientiarum Hungaricae 22, 1976

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Acta Mologica Academiae Seientiarum Hungarieae 22, 1976

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On the basis of the nine antennal joinis, entire and undivided anal cellof the fore Wing, clearly defined prepectat Suture, lack of POSt-Occipital carina,

Acta MoIoglea Academiae Seientiarum Hungaricae 22, I976

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tic, and One recently deserit,ed Nearctio species. Sesoselandria has only a Single Species in Europe, sive in the Palae arctio region, another I 2 in the Oriental region this is iis main area os distribution), the Europe an SpecieS TeaChe SNOrth America, tOO. There are further two genera in the die arctic With One SpecieS each: Eustromboceros ROHWER, I9II, and Stromboceridea ROHWER, 1911, though their main area os distribution lies in the Neotropical region. Considering only the Palae arctio species, it is at Once evident that afairly coherent specie S-group has been Segregated into vario us S maller entitie ShaSed upon a se v characters only. It is triae that Aneugmenus and Atopose Iandria live on fertis, while Birha and Sesoselandria are attached to herbace OuS, fio vering planis, stili I belleve it is more re ason able to treat Aloposelandria and Birha as Sub genera Os Aneugmentis. The present argument is most lucidlySupported by the mixture os characteristios of the ne v species. So the tritie Aneugmenini in the Palae arctic region would include Aneugmenus HARTIG

Acta Mologica Academiae Scientiarum Hungaricae 22, I976