Agrotis schreiteri ( Köhler, 1945 ), Kohler, 1945

Blas, Germán San, 2014, Agrotis Ochsenheimer (Lepidoptera, Noctuidae): a systematic analysis of South American species, Zootaxa 3771 (1), pp. 1-64 : 36

Agrotis schreiteri ( Köhler, 1945)

( Figs 37 , 60 , 108 )

Euxoa schreiteri Köhler, 1945: 91 , fig. 7b. Syntypes: ♂ ♀ [ Argentina ], [Tucumán], Tafí, San José, 2500m, IV-1933 (Schreiter) (IMLA). Examined.

Scotia schreiteri ( Köhler): Köhler, 1967 : 317, fig. 58 (new combination).

Agrotis schreiteri ( Köhler): Köhler, 1973 : 17 (new combination); Poole, 1989: 55 (world noctuid checklist).

Feltia schreiteri (Köhler) : Lafontaine, 2004: 220 (new combination).

Diagnosis. Agrotis schreiteri differs from other South American species of Agrotis by the following combination of characters: 1) male antenna bipectinate, widest segment 3 × as wide as central shaft; 2) patagium darker than thorax and tegulum lighter than thorax; 3) forewing basal dash thick, extending from wing base to beyond claviform spot, not reaching wing outer margin; 4) basal, antemedial, and postmedial lines undifferentiated; and 5) in male genitalia clavus barely differentiated as an area of piliform setae.

Redescription. Male ( Fig. 37 ). Head. Frons central projection small, with raised edge of rough surface, projected anteriorly into a point. Antenna bipectinate, widest at half its length, gradually tapering to apex, widest segment 3 × as wide as central shaft, anterior process 2 × as wide as posterior process. Thorax. Patagium darker than thorax, with black medial line; tegulum lighter than thorax, with no lines. Forewing length 14.5–15.1 mm; ground color grayish brown; subcostal band undifferentiated; basal dash thick, black, extending from wing base to beyond claviform spot, not reaching wing outer margin; basal line undifferentiated; antemedial line undifferentiated; claviform spot dark brownish and black edged; orbicular spot oval, light grayish brown with grayish center and black edged; reniform spot concolorous with orbicular spot, distal margin with one or two sharp streaks extending between M1–M2–M3 veins to postmedial line; discal cell dark brown; medial line undifferentiated; postmedial line undifferentiated; subterminal line light brown black-edged arrows between veins, arrows between M1–M2–M3 veins extending to postmedial line, first arrow contiguous with reniform streak like one continuous line; terminal line black; fringe concolorous with forewing ground color with light brown basal line. Hind wing dark brown diffuse to wing base; fringe whitish, with light brown medial line. Abdomen. Grayish brown. Genitalia ( Fig. 60 ). Uncus sinuous. Clavus barely differentiated as an area of piliform setae. Ampulla 1/5 × as long as valve, basal 1/4 expanded, then narrows to 1/3 its widest diameter. Aedeagus not examined. Female. Differences from male. Forewing length: 16.7 mm; antenna filiform. Genitalia. Not examined.

Distribution. Restricted to Túcuman province, Argentina ( Fig. 108 ).

Remarks. Specimens examined are poorly preserved, characters as patagium and tegulum may vary on better preserved specimens. Male genitalia description is based on a slide made by Köhler, where aedeagus was lacking. Male specimens cited under examined material were dissected by Köhler and slides are not at IMLA.

Material examined. (2 ♂) ARGENTINA . Tucumán. Tafí, San José, 2500m, ♂ IV-1933 (Schreiter) ( IMLA); Cerro de la Mina, 3000m, ♂ IV-1933 ( IMLA).

Figures

FIGURES 37 – 45. Adults of Agrotis species, robusta - group. 37, A. s chreiteri, ♂. 38 – 39, A. araucaria, ♂. 40 – 41, A. araucaria, ♀. 42, A. ipsilon, ♂. 43, A. ipsilon, ♀. 44, A. robusta, ♂. 45, A. robusta, ♀. Actual size.

FIGURES 56 – 63. Male genitalia of Agrotis species, fausta - and robusta - group. 56, A. experta. 57, A. fausta. 58, A. malefida. 59, A. canities. 60, A. s chreiteri. 61, A. araucaria. 62, A. ipsilon. 63, A. robusta.

FIGURES 106 – 111. Distribution maps of Agrotis species, fausta - and robusta - group. A. fausta. 106, A. malefida. 107, A. canities 108, A. schreiteri. 109, A. araucaria. 110, A. ipsilon. 111, A. robusta.