Pristaulacus intermedius Uchida, 1932

Published, First, 2007, Revision of the Palaearctic species of Pristaulacus Kieffer, 1900 (Hymenoptera: Aulacidae), Zootaxa 1433, pp. 1-76 : 48-50

Pristaulacus intermedius Uchida, 1932

( Figs. 14, 34, 54, 74, 88, 115)

Pristaulacus intermedius Uchida, 1932: 190 (♀).

Pristaulacus intermedius: Hedicke, 1939: 11 .

Pristaulacus intermedius: Smith, 2001: 288 .

Material examined. CHINA: Shaanxi province, Mounts Qinling, Xunyangba (6 km E), 1000–1300 m, 23.V– 13.VI.1998, 1♀, I.H. Marshal leg. ( OLML) . JAPAN: Kamakura , Kanagawa province, 2.VII.1961, 1♀, H. Nagase leg. ( CPTO) ; Sanno rindo, Tochigi, Fukushima, 28–30.VII.1987, 1♀, H. Makihara leg. ( ITLJ) ; Muhogaoha, Kawasaki SNI, 21.VI.1964, 1♂, N. Shimoda leg., coll. N. Katsuya ( ITLJ) ; Tateiwamura, Pref. Fukushima, 28–29.VII.1990, 2♀, K. Konishi leg. ( ITLJ, USNM) ; 23.VI.1990, 1♀, K. Hirano leg. ( USNM) ; Fukuoka, Mt. Hiko , 700 m, 19–29.VI.1989, 1♀, Takeno & Sharkey leg. ( AEIC) ; Gero-Osaka Ochai, N. Alps, Gifu Park , 5–7.VIII.1972, 1♀, coll. Jim Robertson ( LACM) ; Tachimoto Chichibu , 15.VII.1960, 1♀ ( USNM) ; Tokyo, XI.1931, 4♀, J.L. Gressitt ( CAS) .

Records from literature. Uchida (1932), Watanabe (1952), Konishi (1990).

Type locality. “ Iwate (Honshu)” ( Uchida 1932).

Notes on type material. The type material consists of the holotype ♀ (not examined), stored in the collection of the University of Hokkaido, Sapporo ( Konishi 1990) .

Redescription. ♀. Length (excluding ovipositor): 10.6 mm; fore wing length: 8.1 mm.

Colour black, except: mandible extensively red orange with base and apex blackish; maxillo-labial complex blackish with maxillary palpus lighter; legs blackish, with tibiae and tarsi brown; wings hyaline with veins and stigma dark brown; fore wing with a wide brown spot below stigma, 0.5x as wide as stigma length, reaching middle of SM2; metasoma blackish with S1, apex and sides of tergites irregularly dark red. Setae: whitish, except yellow gold on mandible, and light brown on metasoma.

Head ( Figs. 14, 34) from above, 1.26x wider than long, shiny; occipital margin straight; temple, from above, well developed, 1.1x longer than eye length, weakly convergent posteriorly, and regularly rounded; occipital carina moderately wide, lamelliform, about 0.5x diameter of an ocellus; POL:OOL= 0.9; ocellar area 2.0x wider than long; frons, vertex, and temple with fine, superficial, and scattered to moderately dense punctures (distance between punctures 2–3x diameter of a puncture); clypeus and malar area with fine, deep, and dense punctures (distance between punctures 1x diameter of a puncture); mandible polished and shiny, with coarse and deep punctures on base and in middle; antenna length 0.8x fore wing length; A3 5.6x longer than wide; A4 10.0x longer than wide, and 1.6x longer than A3; A5 8.8x longer than wide, and 1.4x longer than A3; following antennomeres progressively shorter, the apical one dorsoventrally compressed, with apex rounded, 2.0x longer than wide. Setae: erect, long, and moderately dense on most of frons, vertex and temples; recumbent, long, and moderately dense on clypeus, on lateral and lower part of frons, and on malar area; semierect, moderately long and dense on A1; setae length of temple 1x diameter of an ocellus.

Mesosoma ( Fig. 54) coarsely sculptured; pronotum areolate rugose to foveolate, with one well- developed tooth in middle of each lateroventral margin; propleuron polished and shiny, with very fine, superficial, and scattered punctures (distance between punctures 3–5x diameter of a puncture); prescutum triangular, deeply concave in middle, transverse carinate; mesoscutum transverse carinate with anterior margin, in lateral view, regularly rounded; notaulus deep and wide; scutellum transverse carinate; mesepimeron transverse carinate areolate; mesepisternum areolate rugose with upper part foveolate; metanotum longitudinally carinate; propodeum areolate rugose; ventral parts of mesosoma irregularly areolate rugose; fore wing with vein 2-rs+m short; fore coxa polished, shiny, with fine, superficial, and scattered punctures, moderately coarse, deep, and dense on base; mid coxa shiny, transverse carinulate on outer half, with fine, superficial and scattered punctures, except on base, transverse striolate punctate; hind coxa ( Fig. 74) shiny, transverse carinate, with dense carinae, except on medial part of ventral surface polished, with moderately coarse, deep, and scattered punctures (distance between punctures about 2x diameter of a puncture); trochanters shiny with regular, moderately coarse, deep, and moderately dense punctures; femora dull on dorsal surface, with coarse, deep, and dense punctures, shiny on ventral surface, with fine, superficial, and scattered to very scattered punctures; inner spur of mid and hind tibiae longer than outer spur; hind basitarsus 10.9x longer than wide, and 1.2x longer than tarsomeres 2–5; claw with four well-developed teeth. Setae: erect, short, and scattered on dorsal surface, semierect or recumbent, longer and dense on lateral and ventral parts; erect, long, and scattered on hind surface of propodeum; erect, and moderately long and dense on propleuron, with setae length 0.7x fore pretarsus length; recumbent, short, and dense on dorsal surface of femora, longer and less dense on ventral surface.

Metasoma moderately compressed laterally, pyriform in lateral view; petiole elongate, moderately slen- der, 2.9x longer than wide; segments 1-2 polished and shiny, except median part of apex of T2, with fine, superficial and scattered punctures; following tergites with regular, very fine, superficial, and moderately dense puncture; S7 with coarse, moderately deep, and very dense punctures; T8 with fine, superficial, and moderately dense punctures; ovipositor 1.25x longer than fore wing length; valvula 3 of ovipositor with apex acute. Setae: segments 1 and 2 glabrous (except median part of apex of T2, with semierect, short, and scattered setae); recumbent, short, and moderately dense on the following tergites.

ď. Length: 12.4 mm; fore wing length: 10.0 mm. Colour, structure, and setae like ♀, except: metasoma blackish brown, with T1–3 partly reddish orange; antenna length 0.75x fore wing length; A3 3.8x longer than wide; A4 5.4x longer than wide, and 1.4x longer than A3; A5 5.2x longer than wide, and 1.36x longer than A3; A13 subcylindrical, 4.4x longer than wide, with apex rounded; hind basitarsus 9.9x longer than wide, and 1.1x longer than tarsomeres 2–5; petiole 4.1x longer than wide; metasomal segments 1 and 2 polished, shiny, and glabrous, except the medial and distal part of T1 with a few punctures and setae; following tergites with regular, fine, superficial, and dense punctures, and recumbent, short, and dense setae; genital capsule ( Fig. 88) with apex of paramere obliquely truncated, cuspis short and curved, digitus with lower apex long and moder-

ately narrow.

Intraspecific variation. Examined: 13♀, 1♂. Length: 10.2–10.7 mm (♀); fore wing length: 8.0– 8.5 mm (♀); ovipositor 1.15–1.20x longer than fore wing length. The metasoma may be more or less extensively dark reddish brown in the proximal half.

Distribution. China, Japan (Hokkaido, Honshu, Shikoku, Kyushu).

Remarks. This is one of the most common and widely distributed Pristaulacus species in Japan.

Biology. Host: Chlorophorus japonicus (Chevrolat, 1863) ( Coleoptera Cerambycidae ) ( Uchida 1932).