Evergestis boursini Amsel, 1939

Alipanah, Helen, Khodadad, Masoumeh, Rajaei, Hossein & Haseli, Mohammad, 2018, Taxonomic study of the genus Evergestis Hübner, 1825 (Lepidoptera: Crambidae: Glaphyriinae) in Iran with description of a new species, Zootaxa 4420 (1), pp. 1-33: 7

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Evergestis boursini Amsel, 1939


Evergestis boursini Amsel, 1939 

Material examined. SMNKAbout SMNK: Paratype, ♂, Asia min., Sivas, Zukowsky, 29.ix.1936, leg. H. Amsel (ex. coll. H. G. Amsel) (GS: HA-2047)

Remarks. This species was described by Amsel (1939) based on three male specimens collected in Turkey, Sivas (two males including the Holotype in 4.x.1936 and one male in 29.ix.1936). Amsel (1961) later recoreded this species from Iran based on eight males and one female collected in Karaj (Nesa) in August 1936. In spite of collecting a female specimen, no description for female was presented by Amsel (1961). None of the nine Iranian specimens collected by Amsel were available to study, but one male Paratype (see material examined) was studied and dissected ( Fig. 4A View Figure ). Due to the paucity of genital information in the description provided by Amsel (1939), the male genitalia is here redescribed and figured.

Diagnosis. According to Amsel (1939), this species is close to E. serratalis (Staudinger)  based on the forewing pattern. However, examination of the male genitalia revealed that it is more close to E. spiniferalis (Staudinger)  than E. serratalis  , especially in the shape of valva. Evergestis boursini  and E. spiniferalis  , have two groups of cornuti, but in E. spiniferalis  they are formed a small group and a large group, while in E. boursini  these two groups are in the same size with different densities.

Redescription. Male genitalia ( Figs 4B–F View Figure ). Uncus wide at base, narrowed and elongated posteriorly, with blunt tip and sparse short thin setae laterally, without elongated scales distally ( Figs 4B–D View Figure ); gnathos tapered and narrowed distally, with almost pointed tip, its length slightly more than three-fourths the length of uncus, with a row of small teeth (including 11–12 teeth) on its ventral surface extended from the apex to halfway along the shaft ( Figs 4B, C, E View Figure ); valvae slightly narrowed distally, with obliquely rounded apex and basally thickened costa (left valva was damged before dissection), without clasper; juxta elongated oval; distal end of phallus slightly less than two-thirds of its proximal end, with two clusters of cornuti (one cluster dense and another one with less density) and paired brush-like pads at distal portion ( Figs 4B, F View Figure ).

Distribution. Turkey, Iran (Karaj, Nesa) ( Amsel 1939, 1961).


Staatliches Museum fuer Naturkunde Karlsruhe (State Museum of Natural History)