Arta brevivalvalis
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Ordo: Lepidoptera
Familia: Pyralidae
Genus: Arta
Name
Arta brevivalvalis Cashatt sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
Head. Labial palpus reddish-brown laterad, inner surface ochreous; frons and vertex light reddish-brown to purplish; occiput tan to ochreous.
Thorax. Upper surface reddish-brown to tan, under surface darker. Forewing reddish- to purplish-brown with ochreous antemedial and postmedial lines; antemedial line irregular and extending obliquely from two-thirds costa to nearly one-half hind margin; postmedial line irregular and directed slightly inward near costa, extending from three-fifths costa to near anal angle; distance between the two lines greater at costa than at hind margin; fringe ochreous; under surface brown, purplish-red near costa and outer margin. Hind wing grayish-brown with ochreous fringe; underside purplish-red near costa and outer margin, a short postmedial line from costa fading inward. Legs purplish-brown with mid femur, midtibia, and inner surface of hind leg ochreous.
Abdomen. Ochreous dorsad, reddish-brown ventrad, terminal fringe ochreous.
Male genitalia. Uncus broad and shovel-shaped; tegumen narrow, pedunculus unmodified; vinculum broad, saccus not narrowly produced anteriad as in Arta statalis, but rounded; juxta acutely hooked dorsad near base with apex directed slightly dorsad; valva as in Arta statalis except shorter with a broader base, apex unidentate; phallus long and slender with apex flattened without a coecum or cornutus.
Female genitalia. Ovipositor moderately enlongate, papillae anales small and unilobate; posterior apophysis extremely short; anterior apophysis short as in Arta statalis; ostium bursae wide; lamella antevaginalis broad and V-shaped, opening near anterior margin of eighth sternite; bursa copulatrix simple with inception of ductus seminalis below antrum; without a signum.
Type data
The type specimens are located as noted below. The male holotype is from Palmerlee, Arizona (no other data given) and is labeled as the holotype. Fifty-three male and twenty-two female paratypes from UNITED STATES: ARIZONA are labeled as follows: two females, Catalina Mts., no date given, Oslar Coll. (USNM); two males and two females, Catalina Mts., June 10, 1903, Oslar, Coll. (USNM); one female, Huachuca Mts., (USNM); one male, Madera Canyon, Santa Rita Mts., Aug. 18, 1953, Robert J. Ford (CNC); one male and one female, Madera Canyon, Santa Rita Mts., Aug. 19, 1953. Robert J. Ford (CNC); one male, Madera Canyon, Santa Rita Mts., Aug. 9, 1953 (CNC); one male, Palmerlee, Sept. 8–15 (USNM); twenty-five males and nine females, Palmerlee, no date given (USNM); seven males and four females, Ramsey Canyon, Huachuca Mts., Sept. 1-2, 1927, J. C. Bradley Coll. (CU); ten males and two females, White Mts., elevation 7200 ft., Aug. 1–15, 1925, Poling Coll. (USNM); one male and one female, White Mts., elevation 7200–11500 ft., Aug. 10–30, 1925, O. C. Poling (USNM); three males, White Mts., Apache Co., near McNary P. O., Sept. 15–30, 1925, O. C. Poling.
Life history
Unknown.
Remarks
It is difficult to separate Arta brevivalvalis from Arta statalis and Arta epicoenalis on the basis of maculation. The ochreous fringe is sometimes a useful diagnostic character but is not reliable. The distance between the antemedial and postmedial lines is variable.
An examination of the genitalia is necessary for accurate identification. The flattened and spade-shaped uncus of Arta brevivalvalis easily separates this species from Arta statalis and Arta olivalis that have a narrow and more cylindrical shape. The valva of Arta olivalis is long and slim. The uncus of Arta epicoenalis is flattened, but not constricted at the base as in this species. The ostium bursae of Arta brevivalvalis is broad compared to that of Arta statalis, and the anterior apophyses are extremely short. The anterior apophyses of Arta olivalis and Arta epicoenalis are absent.
Original Description
- Solis, M; Cashatt, E; Scholtens, B; 2013: New North American Chrysauginae (Pyralidae) described by E.D. Cashatt ZooKeys, 344: 55-71. doi
Images
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![Figures 5–10. Male, female genitalia. 5 Arta brevivalvalis paratype male, USA, Arizona, Palmerlee, [no collection date on label], EDC 981, USNM 1044736 phallus, data same as previous 7 paratype female, USA, Arizona, Palmerlee, [no collection date on label], EDC 982, USNM 104474 8 Heliades lindae paratype male, USA, Arizona, Palmerlee, [no collection date on label], EDC 80, USNM 105993 9 phallus, data same as previous 10 paratype female, USA, Arizona, Palmerlee, [no collection date on label], EDC 84, USNM 104482.](/wiki/File:ZooKeys-344-055-g002.jpg)
