Exoteleia Wallengren, 1881

Lee, Sangmi & Brown, Richard L., 2008, Revision of Holarctic Teleiodini (Lepidoptera: Gelechiidae), Zootaxa 1818, pp. 1-55 : 23-25

Exoteleia Wallengren

Exoteleia Wallengren, 1881: 94 .

Type species: Phalaena (Tinea) dodecella Linnaeus, 1758 , by monotypy. Paralechia Busck, 1903: 820 .

Type species: Gelechia pinifoliella Chambers, 1880 b , by subsequent designation ( Meyrick 1925). Heringia Spuler, 1910: 357 , f. 124. Preoccupied by Heringia ( Insecta: Diptera ) Rondani, 1856. Heringiola Strand, 1917: 137 . Replacement name for Heringia Spuler, 1910 . Type species: Phalaena dodecella Linnaeus, 1758 , by monotypy.

Description. Imago ( Fig. 58 ). Labial palpus third segment shorter than second. Clypeus with ventral margin truncate. Antenna flattened laterally, longer than half forewing length. Ocellus present ( Fig. 1 ). Posterior area of sitophore with four campaniform sensilla in asymmetrical trapezoid pattern; anterior area with two or four campaniform sensilla. Forewing (length/width ratio 4.3) with tufts of raised scales, male with black sex scales on underside between R1 and R5; R5, M1, M2, and M3 separate, CuA1 and CuA2 present; median fascia transverse or directed from base of costa toward posterior margin. Hindwing (length/width 4.7) with R5, M1, M2, and M3 separate; M3 and CuA1 connate. Male abdominal sternum VIII with length 0.75 width; tergum VIII distinctly longer than sternum VIII, with pair of anterolateral hair pencils.

Male genitalia ( Fig. 30 ): uncus mitre shaped, longer than wide and widest near base; ventral part of gnathos stout, hook shaped, with median articulation, dorsal part absent; costal and saccular parts of valva present; tegumen basal width/length ratio 1.1; vinculum a sclerite; saccus well developed; fulcrum of phallus well developed, phallus widened basally, curved below middle or near apex, without cornuti.

Female genitalia: apophyses anteriores about 2.5 x length of abdominal segment VIII; antrum not developed; combined length of ductus and corpus bursae shorter than in Recurvaria , extending nearly to about apex of apophyses anteriores; signum absent.

Larva. Length approximately 4.5 mm; head brown to black; prothoracic shield with small black pinacula; prolegs with 4 to 5 crochets ( Keifer 1932; Meyrick 1895).

Pupa. Proboscis not reaching the end of pro- and mesothoracic legs; prothoracic legs exceeding mesothoracic legs ( Patoèka and Turcáni 2005).

Diagnosis. Exoteleia species superficially resemble those of Coleotechnites . Both genera are known to feed on coniferous and deciduous hosts. Exoteleia species are distinguishable from Coleotechnites by the bilaterally symmetrical male genitalia and the mitre shaped uncus.

Hosts. Fagaceae : Quercus dumosa Nutt. ( E. graphicella ). Pinaceae : Larix decidua Mill. ( E. dodecella ), Picea abies (L.) ( E. pinifoliella ), Pinus spp. ( E. anomala , E. burkei , E. dodecella , E. burkei , E. nepheos , E. pinifoliella , E. succinctella ). ( Bland 2002; Browne 1968; Burdick and Powell 1960; Craighead 1950; Emmet 1988; Escherich 1931; Evans 1952; Forbes 1923; Freeman 1960, 1967; Hodges 1985; Keifer 1932; Opler 1974; Prentice 1966; Robinson et al. 2002; Schaffner 1959; Stevens 1986; Styles 1959; Zhang 1994.)

Diversity and distribution. This genus includes eight species occurring in eastern and western United States, eastern Canada, and throughout Europe ( Fletcher 1929; Freeman 1960, 1963, 1967; Hodges 1983, 1985; Huemer and Karsholt 1999; Meyrick 1925, 1928; Patoèka 1987).

Figures

FIGURES 51 – 58. Imagos. 51. Agnippe crinella. 52, Agnippe prunifoliella. 53, Glauce pectenalaeella. 54, Telphusa longifasciella. 55, Arogalea cristifasciella. 56, Sinoe robiniella. 57, Recurvaria nanella. 58, Exoteleia dodecella.

FIGURES 1 – 6. Characters of the head and thorax. 1, Lateral ocellus (arrow) of Exoteleia anomala. 2, Forewing of Telphusa sedulitella with scale tufts. 3, Male hindwing of Coleotechnites florae with hair pencil on anal area. 4 – 5, Clypeus. 4, Istrianis myricariella. 5, Neotelphusa querciella. 6, Posterior area of sitophore with four campaniform sensilla (arrows) in Stenolechiodes macrolepiellus.

FIGURES 30 – 33. Male genitalia, internal duct (id), costal part of valva (vc), and saccular part of valva (vs). 30, Exoteleia dodecella. a, tegumen. b, vinculum and valva. c, phallus. 31, Pseudotelphusa basifasciella. a, tegumen. b, vinculum, valva, and phallus. 32, Xenolechia ontariensis. 33, Argyrolacia bifida.