Xantholeon montanus New 1985
Creators: name: Miller, Robert B.
name: Stange, Lionel A.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Neuroptera
Myrmeleontidae
Xantholeon
Xantholeon montanus

description: <i>Xantholeon montanus</i> New (Figures 51, 52, 53, 89, 90) <i>Xantholeon montanus</i> New 1985c: 13, figures 1121-1125. <b>Holotype female</b>, Mt. Bruce, Western Australia, 15.V.1980, T. Houston, in cave (WAMP). <b>Description. Adult</b>: length of body 24 mm, forewing 27 mm, hindwing 26 mm. <b>Coloration</b>: yellowish brown; labrum, clypeus, genae and palpi pale yellow; frons dark brown below antennae, paler dorsally; vertex with traces of two darker brown transverse bands and three brown posterior spots and with small median and larger lateral brown areas; antenna yellowish brown, club dark brown to black externally; pronotum mostly dark brown, lateral margins pale yellow along anterior one-half; mesopleuron darker than metapleuron, without dark brown anteriorly; legs pale yellowish brown, apex of femur, tibia and tarsomeres light brown; abdomen tawny, anterior part of tergite I and II nearly black; tergites III and beyond with central short black streak on anterior half and paired lateral posterior streaks almost fusing anteriorly; ectoproct pale; abdominal sternites mostly pale brown except sternite I mostly dark brown; wing venation with pale longitudinal veins, mostly black at intersections with crossveins; costal crossveins pale except posterior ones in forewing; forewing with dark mark at fusion of CuA2 and CuP + lA extending along 3 or more cross veins; forewing without extended cubital mark; central abdominal tergites with small median dark brown mark clearly anterior to lateral marks. <b>Chaetotaxy</b>: femur with mostly pale bristles, tibia with more numerous black bristles; female ectoproct with about 6 thickened short, ventral setae; lateral gonapophysis with about 12 similar setae, ventral region of tergite IX with 5 or 6 setae. <b>Structure</b>: vertex domed, scarcely raised; antenna slender, club well defined but narrow over last 10 segments; pronotum a little longer than wide; legs long and slender, tarsus shorter than tibia; basal tarsomere about three times longer than middle diameter, about equal to tarsomeres II and III together; distal tarsomere longer than basitarsus which is longer than tarsomere II which is longer than tarsomeres III and IV; hindtibial spurs slender, straight, extending to beyond apex of tarsomere 2; pretarsal claws slender; female posterior gonapophysis long, slender, tapered; pregenital plate triangular. <b>New records</b>. AUSTRALIA. <b>Western Australia</b>: 126 km. north Nanutarra Roadhouse, S 21 o, 35', 36.4", E 115 o, 56', 33", 26. II.1994, Miller &amp; Stange (1m, 1f, FSCA); 37 km. east Pt. Hedland, S20 o 23' 34.6", E118 o 54' 27.5", 1. III.1994, Miller &amp; Stange (A71) (1f, FSCA); Rio Tinto Gorge, S 22 o,14',7", E 117 o, 57', 55.5", 5. II.1994, Miller &amp; Stange (2m, FSCA); Witternoom, 4. III.1994, R. Miller &amp; L. Stange (<b>reared</b>) (3m, 4 f, FSCA; TAMU; USMB). <b>Discussion</b>. This West Australian species has the forewing with dark mark at fusion of CuA2 and CuP + lA extending along 3 or more cross veins (Figure 52) similar to <i>X. lineatus</i>. However, <i>X. montanus</i> has the abdominal tergites paler than <i>X. lineatus</i> and the sternites are mostly pale brown. The larvae differs from <i>X. cavernicolus</i> and <i>X. kakadu</i>. by having the mesothoracic spiracle not borne on long stalk (Figure 89). These three species have the ventral surface of the head capsule with extensive dark brown markings.
description: Published as part of <i>Miller, Robert B. &amp; Stange, Lionel A., 2012, The cave mouth antlions of Australia (Neuroptera: Myrmeleontidae), pp. 1-65 in Insecta Mundi 2012 (250)</i> on pages 33-34, DOI: 10.5281/zenodo.5174820
description: {"references": ["New, T. 1985 c. A revision of the Australian Myrmeleontidae (Insecta: Neuroptera). III. Distoleontini and Acanthaclisini. Australian Journal of Zoology Suplementary Series 106: 1 - 159."]}