Abstract: Length 6.0 to 7.5mm．Blue black，strongly shining．Antenna dark brown. Apex of mandible slightly reddish brown；apex of pulpus brown；labrum black or dark brown．Lateral sides of abdomin al tergites 2 to 5 and avterior portions of sterites 1 to 5 yellowish brown．Coxae black，trochanters and dorsal sutrace of femur brown or light dark brown，tibia and tarsus yellowish brown．Wing subhyaline．Venation dark broWN．Head and thorax with grey hairs．Antenna serrate，long，more thall head width，with 12 segments；third segment simple，about 3/4 length of fourth segment；rami each shorter than length of their respective segment；rami of central segments Iongest．OOL: POL：OCL=1：1：2．Anterior margin of clypeus moderately emarginate，arcuate．Clypeus，supraclypeal area and paraantennal area densely punctated；other areas of head and abdomell almost impunctated；thorax with uniform small punctures．Lancet acute trianglar in shape，with 11 annuli，about 1/3 to 1/5 length of annuli extending 0ver virgae；ventral lobes 1 to 4 rather protuberant (fig．A)．Male：Length 5．5 t0 7．0ram．Strongly shining blue black．Labrum slightly reddish brown．Median and lateral portions of abdominal tergites 3 to 4 yellowish brown；lateral sides of abdominal tergites 2，5，6 more or less yellowish; abdominal sternites 1 to 5 mostly deep yellow．Legs beyond black coxae yellow to deep yellow．Anteuna with 12 segments(rarely with 11 segments)，unipectinate．OOL：PoL：0CL=3：3：5．Wing length 4.5 mm．Other characters as for female．Penis valve as in fig．B．Larva：Length 12 to 17ram．Head black．Thorax deep green．Abdomen mostly light green．Dorsal surface of thoracic leg black．Bristles on head surface short，minute and thinly scattered．Preclypeus with 4 thick and longbristles．Antenna with 3 segments，mammillated．Abdominal segmelIt 3 subdivided into 6 annuletst tergum of 1 0th abdominal segment with many short spines． Host：Cones of Cuprassus funebris Endl. Holotype：female，Sichuan(Jintang)，2．N．1982，Li Yuan-xiang．Auotype-male，the same as holotype．Paratypes：5 males，15 females，Sichuan(Jintang，Pengxi)，2．10．11．N．1982，Li Yuan-xiang，Wu Hong—guang．All the type specimens are preserved Intdccollection of the Forest Entomology Division，Forest Research Institute,Chinese Academy of Forestry．The new species may be readily separated from、Augomonctenus libooedrll and A．Talo8u8 the only other two species in the genus by the following characters：Abdomen shining blue black with lateral sides of 2 to 5 tergites and anterior portions of 1 to 5 sternites in female，and median and lateral sides of 3 to 4 tergites in male yellowishbrown anterior margin of clypeus of female moderately emarginated，arcuate．It was compared with a female of Augomonootenu8 libooedrii Rohwer bearing the following data：Larvae coll．Sept．2，1964，adult--July 16，1989：Medford，Oreg．Cones of incense cedar，K．Goedont roared by C．W．Baker：Augomonodenu*liboeedrii Roh．D．R．Smith 82．The species is named for Dr．D．R．Smith．