Species of Xorides (Xorides) (Hymenoptera: Ichneumonidae: Xoridinae) parasitizing wood-boring insects in the Palaearctic part of China

2008·0.81 MB·

by  Mao-Ling Sheng

©EntomologicaFennica.13June2008
Species of Xorides (Xorides) (Hymenoptera: Ichneumonidae:
Xoridinae) parasitizing wood-boring insects
in the Palaearctic part of China
Mao-LingSheng&Jun-BaoWen
Sheng, M-L. & Wen, J-B. 2008: Species ofXorides (Xorides) (Hymenoptera:
Ichneumonidae:Xoridinae)parasitizingwood-boringinsectsinthePalaearctic
partofChina.—Entomol.Fennica19:86–93.
ThirteenspeciesofXorides(Xorides)parasitizingwood-boringinsectsintrunks
andbranchesoftreesarereported.Threeofthem,X.(Xorides)pissodiusSheng&
Wensp.n.rearedfromPissodesnitidusRoelofs(Curculionidae,Coleoptera)in
Larixprincipis-rupprechtiiMayr(Pinaceae),X.(Xorides)tumidusSheng&Wen
sp. n. reared from Cerambycidae in Quercus sp. (Fagaceae) and X. (Xorides)
longicaudusSheng&Wensp.n.arenewtoscience.X.(Xorides)ater(Graven-
horst,1829)isanewrecordforChina.Somenewhostrecordsareprovided.A
keytospeciesofXorides(Xorides)ofthePalaearcticpartofChinaispresented.
M.-L.Sheng,TheKeyLaboratoryforSilvicultureandConservationofMinistry
ofEducation,BeijingForestryUniversity,100083,P.R.China;GeneralStation
ofForestPestManagement,StateForestryAdministration,58,HuangheNorth
Street,Shenyang110034,P.R.China;E-mail:[email protected]
J.-B.Wen,TheKeyLaboratoryforSilvicultureandConservationofMinistryof
Education,BeijingForestryUniversity,100083,P.R.China.
Received29November2005,accepted4July2007
1.Introduction enceandonenewrecordforChina.Thestudyhas
alsoresultedinseveralnewhostrecords.
The subgenus Xorides Latreille 1809 belonging
to the genus Xorides of the ichneumonid sub-
family Xoridinae are parasitoids of woodborers 2.Methods
andaredistributedworldwideexceptfortheAus-
tralian Region (Townes 1970, Yu & Horstmann Materialsusedwerecollectedusingthefollowing
1997).Akey tosubgenusofgenusXoridesand methods.
their diagnostic characters were provided by Rearingparasitoids.Trunksandbranchesof
Townes (1970). Nine species have previously naturally heavily infested trees were brought to
beenrecordedfromthePalaearcticpartofChina the laboratory and maintained in a large nylon
(Wang&Gupta1995,Liu&Sheng1998,Sheng cage at room-temperature. Water was sprayed
etal.2002).Thisstudyisbasedlargelyuponma- over the trunks and branches twice a week and
terialrearedfromwood-boringinsectsbytheau- emergedinsectscollecteddaily.
thorsandhasresultedintherecognitionofatotal Rearing parasitoid larvae and pupae. Para-
ofthirteenspecies,threeofwhicharenewtosci- sitoid larvae and cocoons were collected from
ENTOMOL.FENNICAVol.19 (cid:127) SpeciesofXoridesparasitizingwoodborers 87
galleriesofwood-borerinfestedlogs,andstored Diagnosis. Fore wing with 1cu-a distal of
individually in glass tubes with a piece of filter 1/M. 2rs-m to base of 2m-cu by more than its
paperdippedindistilledwaterforkeepingmois- length.Alltrochanterswithoutteeth.
ture and plugged tightly with absorbent cotton
wool.
Directcollection.Parasitoidadultswerecol- 3.1.Xorides(Xorides)longicaudus
lectedfrominfestedtreetrunksandbranches,and Sheng&Wensp.n.(Fig.1)
inforestgenerally,usingstandardinsectnets.
Loaned material. Additional material was Materialexamined.Holotype$,GanshanPark,
borrowedfromtheZoologischeStaatssammlung 1,000m,N34°42’,E111°06’,ShanxianCounty,
München, Germany, the Department of Forest HenanProvince,31.V.2000,Mei-CaiWei.Type
Protection, Forest Research Institute, Warsaw, isdepositedinInsectMuseum,GeneralStationof
Poland and the Osaka Museum of Natural His- ForestPestManagement,StateForestryAdmin-
tory,Osaka,Japan. istration,Shenyang,P.R.China.
Identifying host specimens. Hosts, investi- Diagnosis. The new species is similar to X.
gated from 1988 to 1990 in Tuqian, Daxing’ (X.)furcatusLiuetSheng,1998butcanbedistin-
anling,HeilongjiangProvince,wereidentifiedby guished from the latter by inner orbits black,
Prof. Fu-Ji Pu, Institute of Zoology, Chinese postocellarline1.3timesaslongasocular-ocellar
AcademyofSciences,P.R.China.Otherswere line, wings without brown mark, first tergite of
identifiedby comparingwiththespecimensde- metasomaabout3.6timeslongerthanitsapical
positedinInsectMuseum,GeneralStationofFo- width. X. (X.) furcatus with inner orbits white,
rest Pest Management, State Forestry Adminis- postocellar line about as long as ocular-ocellar
tration, Shenyang, P. R. China. Some hosts can line, wings with brown marks, first tergite of
onlybeidentifiedtofamilybytheheadshellof metasoma about 2 times longer than its apical
theincompletedeadinsectinthegallerynearby width.
parasitoidlarvaeorcocoons. Description. Holotype female: Body length
Morphological terminology mostly follows about 18 mm. Forewing length about 13 mm.
Townes(1969).Wingveinnomenclatureisbased Face convex, about 0.5 times as long as wide,
uponRoss(1936)andtheterminologyofMason with dense transverse wrinkles and indistinct
(1986). punctures.Clypealsuturedistinct,middlesection
All specimens of Ichneumonidae and hosts betweenclypealfoveasstraight.Clypeusflat,its
except those identified by Prof. Fu-Ji Pu pre- sub-basewithadistincttransverseridge.Labrum
servedinInstituteofZoology,ChineseAcademy crescent, its apical margin with dense hairs.
ofSciences,P.R.China,aredepositedinInsect Subocularsulcusdistinct.Malarspace0.7times
Museum,GeneralStationofForestPestManage- as long as basal width of mandible. Temple
ment,StateForestryAdministration,P.R.China. weakly swollen, with dense longitudinal wrin-
kles,frontandhindportionswithpunctures.Ver-
tex evenly convex, with dense punctures (Fig.
3.Descriptionsofnewspeciesof 1a),hindportionwithshorttransversewrinkles.
Xorides(Xorides)andrecordsand Postocellar line 1.3 times as long as ocular-
hostinformationofotherspeciesin ocellar line. Frons weakly convex, with dense
PalaearcticChina puncturesandamedianlongitudinalgroove,up-
perportionwithobliquetransversewrinkles.Oc-
SubgenusXoridesLatreille,1809 cipital carina widely interrupted in the median
dorsal area. Antenna filiform with 27 flagello-
XoridesLatreille,1809.GeneraCrustaceorumet meres,flagellomeres22to26withpeglikebris-
Insectorum secundum ordinem naturalem in tles.Lowerportionofpronotumwithshortlongi-
familiasdispositaiconibusexemplisqueplurimis tudinalwrinkles.Mesoscutumwithdensepunc-
explicata, 4:4. Type specimen: Ichneumon tures,hindportionwithdenselongitudinalwrin-
indicatoriusLatreille. kles.Scuto-scutellargroovewithamedianlongi-
88 Sheng&Wen (cid:127) ENTOMOL.FENNICAVol.19
portion with bowed out groove. Third tergite
slightlylongerthanitsapicalwidth.Apicalpor-
tionofeighthtergiteelongate.Ovipositorsheath
19.5mmlong.Apicalportionoflowervalveof
ovipositor with 8 ridges, basal 5 ridges very
strong.
Black.Flagellomeres9to13andbasalhalfof
14,marksonoutersidesofbasalportionsoffront
andmiddletibiae,basalringsofhindtibiae,api-
cal halves of tarsomere 1, 2 to 4, and base of
stigma white. Apical portion of palpi blackish.
Clypeus, basal portions of mandibles and front
sides of fore femora except base brown. Front
sidesofmiddletibiaeandinnersidesofhindtib-
iaedarkishbrown.Frontsidesofforetibiae,front
andmiddletarsomeres1to4grayishblack.
Etymology. Specific name derived from the
longandthickovipositorsheath.
3.2.Xorides(Xorides)pissodius
Sheng&Wensp.n.(Fig.2)
Material examined. Holotype $, Liupanshan,
1900m, N35º24’, E106º23’, Ningxia, 12.VI.
2005,rearedfromacocooncollectedfromgaller-
iesofPissodesnitidusRoelofs(Curculionidae),
Mao-LingSheng.TypeisdepositedinInsectMu-
seum, General Station of Forest Pest Manage-
ment, State Forestry Administration, Shenyang,
Fig.1.X.(Xorides)longicaudussp.n.–a.Vertex
P.R.China.
showingpunctures.–b.Propodeum.
Diagnosis. This new species is similar to X.
(X.)brachylabis(Kriechbaumer1889)andcanbe
tudinalcarina.Mesopleuronwithdenseandfine distinguishedfromthelatterbyfronswithdense
punctures. Speculum distinct. Metapleuron transversewrinkles;innerorbitsblack;ovipositor
rough. Propodeum areolated completely (Fig. sheath1.4Xlongerthanhindtibia.X.(Xorides)
1b). Basal area long, apical halves of its lateral brachylabis (Kriechbaumer): frons with fine
carinaenearlyparallel.Areolahexagonal.Propo- punctures; inner orbits yellowish white; ovi-
deal apophysis strong. Propodeal spiracle nar- positorsheath2.6Xlongerthanhindtibia.
row.Winghyaline.Forewingwith1cu-adistalof Description. Holotype female: Body length
1/M; 3rs-m absent; 2rs-m wide and very short, about 6.1 mm. Forewing length about 4.5 mm.
0.18 times as long as the distance between it to Faceabout0.44timesaslongaswide,withdense
2m-cu. Hind wing veins 1/Cu and cu-a about short-transverse wrinkles and punctures; its lat-
equal. First tergite of metasoma slightly rough, eralsides with transversewrinkles;evenly con-
about3.6timeslongerthanitsapicalwidth,lat- vex,slightlyprotuberantcentrally.Clypealsuture
eral sides of apical portion with fine transverse distinct, middle section between clypeal foveas
wrinkles;mediandorsalcarinaereachingtohind straight.Basalmarginofclypeuswithvery fine
marginoffirsttergite;dorsolateralcarinaveryin- transverselines;nearitsbasewithadistincttrans-
distinct.Secondtergitedistinctlylongerthanits verse ridge, under the ridge flat and nearly
apicalwidth,slightlyrough,lateralsideofbasal smooth; lateral side with very weak transverse
ENTOMOL.FENNICAVol.19 (cid:127) SpeciesofXoridesparasitizingwoodborers 89
hyaline.Forewingvein1cu-adistinctlydistalof
1/M; 3rs-m absent; 2rs-m wide and short, 0.25
timesaslongasthedistancebetweenitand2m-
cu. Hind wing veins 1/Cu and cu-a equal.
Propodeum (Fig. 2b) slightly rough, areolated
completely;basalareatriangular;areolapentago-
nal;apicalareawithindistinctlongitudinalwrin-
kles;firstlateralareaswithobliquelongitudinal
wrinkles;otherareaswithveryweakandirregu-
lar wrinkles. Propodeal apophysis strong. First
tergiteofmetasoma2.2timeslongerthanitsapi-
calwidth,withslight-roughleatherytexturesur-
face, median dorsal carinae indistinct, about
reachingtohalflengthoffirsttergite.Secondand
thirdtergiteswithdenseandindistinctpunctures;
the former about as long as its apical width.
Fourthandfifthtergiteswithveryfineandshort
transverse lines. Ovipositor sheath about 3 mm
long,1.4Xlongerthanhindtibia.Ovipositorthin,
slightly downcurved, apical portion slightly de-
pressed; apical portion of lower valve with 6
strongandinclivousridges.
Body black except the following. Clypeus
darkishbrown.Baseofmandiblecrimson.Lon-
gitudinal line on front sides of fore tibiae and
lower sides of scape blurry yellowish white.
Flagellomeres 9 to 12 white. Base of forewing
1cu-a and mark under stigma slightly darkish
brown.Basesoftibiaedarkishred.Foreandmid-
Fig.2.X.(Xorides)pissodiussp.n.–a.Vertexshow- dletarsibrownish.
ingpunctures.–b.Propodeum. Cocoon.Nearlycolumnar,about9mmlong,
mediandiameterabout1.7mm.Lightbrown.
lines. Subocular sulcus distinct. Malar space Host. Cocoon of X. (Xorides) was found in
aboutaslongasbasalwidthofmandible.Temple galleries of Pissodes nitidus Roelofs (Curculio-
weaklyswollen,withdenseoblique-longitudinal nidae)inLarixprincipis-rupprechtiiMayr.
wrinkles, front portion with dense transverse Etymology. Specific name derived from its
wrinkles.Vertexevenlyconvex,withdenseand host,PissodesnitidusRoelofs.
even punctures (Fig. 2a). Posto-cellar line 1.4
times as long as ocular-ocellar line. Frons with
densetransversewrinklesandamedianlongitu- 3.3.Xorides(Xorides)tumidus
dinalgroove.Antennafiliformwith20flagello- Sheng&Wensp.n.(Fig.3)
meres; each of the flagellomeres longer than
wide;with5peglikebristlesonflagellomeres18 Material examined. Holotype $, Xinbin,
to20.Occipitalcarinacomplete.Frontportionof N41º31’, E124º59’, Liaoning Province, 20.VI.
pronotumwithdenselongitudinalwrinkles,hind 1998, reared from trunks of Quercus sp. with
portionwithpunctures.Mesoscutumrough,with longhorns (Cerambycidae), Mao-Ling Sheng.
unclear punctures, hind median portion with DepositedinInsectMuseum,GeneralStationof
oblique wrinkles. Mesopleuron with fine and ForestPestManagement,StateForestryAdmin-
weak punctures. Metapleuron very rough, with istration,Shenyang,P.R.China.
denseandirregularreticulation.Wingbrownish Diagnosis. This new species is similar to X.
90 Sheng&Wen (cid:127) ENTOMOL.FENNICAVol.19
Description. Holotype female: Body length
about14.5mm.Forewinglengthabout11.5mm.
Face0.6timesaslongaswide,slightlyconvex,
with dense punctures, lateral portion with short
transversewrinkles;lowerportionwithshortlon-
gitudinal wrinkles. Clypeal suture distinct.
Clypeus smooth, near its base with a distinct
transverseridge,undertheridgeflat.Eachofapi-
cal3segmentsoflabialpalpishortandwithvery
thickapicalportion;medianportionofapicalseg-
ment (Fig. 3c) strongly swollen dorsally and
slightlydepressed,apicalportionverysmalland
tapered. Subocular sulcus distinct. Cheek
smooth,innerportionwithfineandsparsepunc-
tures,outerportionwithdenselongitudinalwrin-
kles.Malarspace0.5timesaslongasbasalwidth
ofmandible.Lowerportionoftemplewithweak
longitudinal wrinkles, upper portion with very
shallowandsparsepunctures.Vertexevenlycon-
vex,withsparsepunctures(Fig.3a).Postocellar
line1.3timesaslongasocular-ocellarline.Frons
withvery shallowandevenpunctures.Antenna
with 28 flagellomeres; peg-like bristles on fla-
gellomeres 22 to 25. Occipital carina complete.
Pronotumsmooth,frontmarginwithdenselongi-
tudinalwrinkles,lateralsideconcavewithdense
andshorttransversewrinkles,hindportionwith
punctures. Mesoscutum with dense punctures,
hindmedianportionwithshortwrinkles.Meso-
pleuronsmooth,withveryfineandsparsepunc-
tures.Metapleuronrough,withverydenseandir-
regular wrinkles. Wing brownish hyaline.
Forewingvein1cu-aslightlydistalof1/M;3rs-m
absent;2rs-mshort,0.15timesaslongasthedis-
Fig.3.X.(Xorides)tumidussp.n.–a.Vertexshowing
tance between it and 2m-cu. Hind wing veins
punctures.–b. Propodeum.–c.Apicalsegmentof
1/Cuslightlylongerthancu-a.Clawsverysmall.
labialpalpus.
Propodeum(Fig.3b)withdenseroughpunctures.
Basalareaandoutsideofitslongitudinalcarinae
(Xorides)brachylabisKriechbaumerandcanbe withtransversewrinkles.Apicalareawithdense
distinguishedfromthelatterbytheapical3seg- longitudinalwrinkles.Basalarealong,nearlytri-
mentsoflabialpalpishortandverythick;median angular, comparted from areola by basal trans-
portion ofapicalsegmentstrongly swollen dor- versecarina.Areolacombinedwithapicalarea.
sally subspherically, slightly depressed, apical Propodeal apophysis indistinct. First tergite of
portion very small and acuity; areola combined metasoma2.0timeslongerthanitsapicalwidth,
with apical area; orbits and tegulae black; legs withverydensepunctures;apicalportionnearly
mainly blackish brown to black. X. (Xorides) flat, lateral portion with irregular wrinkles; me-
brachylabishasnormalnotswollenlabialpalpi; dian dorsal carinae present as a trace; spiracles
areolaseparatedfromapicalareabyapicaltrans- convex. Other tergites transverse. Basal half of
verse carina; inner orbits and tegulae yellowish tergite2withdensepunctures,lateralportionsof
white;legsmainlywithlightcolor. apicalhalfwithirregularfinewrinkles.Tergite3
ENTOMOL.FENNICAVol.19 (cid:127) SpeciesofXoridesparasitizingwoodborers 91
with very fine punctures, basal portion slightly 3.7.Xorides(Xorides)erigentis
rough.Tergites4to7withveryweakandunclear Wang&Gupta,1995
transverselines.Ovipositorsheathabout13mm
long. Ovipositor relatively slender, its apex Materialexamined.1$,Tuqian,Daxing’anling,
bendeddown;apicalportionoflowervalvewith Heilongjiang Province, 16.VII.1988, Mao-Ling
8ridges,basal4ridgesinclivousandverystrong. Sheng.
Body black except the following portions. Host.RearedfromCerambycidaeintrunkof
Flagellomeres11to14white.Frontfemoraand Larixgmelini(Rupr.)Rupr.
tibiaeblackishbrown.Fronttarsus,middletibiae
andtarsusbrownishblack.Basesoffemoradark-
ishred. 3.8.Xorides(Xorides)furcatus
Hosts.RearedfromCerambycidaeintrunkof Liu&Sheng,1998
Quercussp.(Fagaceae).
Etymology.Thisspeciesnameisbasedonthe Materialexamined.1$,Mianchi,HenanProvin-
veryswollenlabialpalpi. ce,May,1981,Zhen-YaShi.
Host.Unknown.
3.4.Xorides(Xorides)aculeatus
Liu&Sheng,1998 3.9.Xorides(Xorides)hirtus
Liu&Sheng,1998
Materialexamined.1#,China:Xinbin,Liaoning
Province,29.V.1994,Mao-LingSheng. Materialexamined.2##,Xinbin,LiaoningPro-
Hosts.RearedfromCerambycidaeunderthe vince,28.V.1994,Mao-LingSheng;1#,Xinbin,
barkofQuercussp. LiaoningProvince,29.V.1994,Mao-LingSheng;
1#,Lushuihe,JilinProvince,25.VII.1994,Shu-
PingSun.
3.5.Xorides(Xorides)ater Hosts.CerambycidintrunkofQuercussp.
(Gravenhorst,1829)
NewrecordforChina. 3.10.Xorides(Xorides)irrigator
Material examined. 1$, Tuqian, Daxing’ (Fabricius,1793)
anling, Heilongjiang Province, 24.VII.1989,
Mao-LingSheng. Material examined. 3$$, Tuqian, Daxing’
Host. Reared from Tetropium sp. (Ceram- anling,HeilongjiangProvince,5.VI.1989,Mao-
bycidae)underthebarkofLarixgmelini(Rupr.) Ling Sheng; 17$$, 3##, Tuqian, Daxing’
Rupr. anling,HeilongjiangProvince,14.–28.VII.1989,
Mao-LingSheng.
Host.RearedfromTetropiumcastaneus(L.)
3.6.Xorides(Xorides)brachylabis andTetropiumgabrieliinbranchesandtrunkof
(Kriechbaumer,1889) Larixgmelini(Rupr.)Rupr.
Materialexamined.1$,Tuqian,Daxing’anling,
Heilongjiang Province, 16.VII.1988, Mao-Ling 3.11.Xorides(Xorides)praecatorius
Sheng; 2$$, Tuqian, Daxing’anling, Heilong- (Fabricius,1793)
jiangProvince,24.VII.1989,Mao-LingSheng.
Host.RearedfromCerambycidaeintrunkof Material examined. 1#, Xiaoxing’anling,
Larixgmelini(Rupr.)Rupr. HeilongjiangProvince,VII.1995,Shu-PingSun.
Host.Unknown.
92 Sheng&Wen (cid:127) ENTOMOL.FENNICAVol.19
3.12.Xorides(Xorides)sapporensis 4.KeytothespeciesofXorides
(Uchida,1928) (Xorides)fromthePalaearcticpartof
China
Material examined. 1#, Shenyang, Liaoning
Province, 30.VII.1990, Mao-Ling Sheng; 2$$, Females
4##, Shenyang, Liaoning Province, 19.–20.V.
1991, Mao-Ling Sheng; 1$, 2##, Shenyang, 1. Thorax and/or metasoma with large light
LiaoningProvince,4.VI.1991,Mao-LingSheng; flecks. 2
1$, Shenyang, Liaoning Province, 2.VII.1991, Thorax and metasoma black, without light
Mao-LingSheng;1$,Xinbin,LiaoningProvin- flecks. 5
ce, 5.VIII.1997, Mao-Ling Sheng; 1$, Shen- 2. Median dorsal carinae of first tergite of
yang, Liaoning Province, 22.V.1999, Mao-Ling metasomareachingtohindmarginoffirstter-
Sheng;1$,Shenyang,LiaoningProvince,31.V. gite.Bodyatleastmetasomawithyellowor
2000, Mao-Ling Sheng;3$$, 3##, Kuandian, whitemarks. 3
400m.a.s.l.,LiaoningProvince,2.VI.2001,Mao- Median dorsal carinae of first tergite of
LingSheng;1$,3##,Caihe,HeilongjiangPro- metasomanotreachingtohindmarginoffirst
vince, 25.V.2002, De-Jun Hao; 1$, Harbin, tergite.Thoraxormetasomawithredorred-
HeilongjiangProvince,7.VI.2002,De-JunHao; dishbrownmarks. 4
1$, 6##, Harbin, Heilongjiang Province, 3. Secondtergiteofmetasomawithfinereticu-
13.VIII.2002,De-JunHao;2$$,2##,Harbin, latesurface.Thoraxandmetasomawithmany
HeilongjiangProvince,25.V.2002,De-JunHao; yellowandwhitemarks.
1$, Jiagedaqi, Heilongjiang Province, 30.VIII. X.(X.)praecatorius(Fabricius)
2002,De-JunHao;1$,Shenyang,LiaoningPro- Second tergite of metasoma with irregular
vince, 30.VII.2003, Mao-Ling Sheng; 1$, longitudinalwrinkles.Thoraxblack.Tergites
Shenyang,LiaoningProvince,15.V.2004,Mao- 4to6posterolaterallywithbigwhitemarks.
LingSheng. X.(X.)sapporensis(Uchida)
Hosts. Reared from larvae of Agrilus 4. Frons with dense transverse wrinkles. An-
marcopoliObenberger(Coleoptera:Buprestidae) tenna with white ring. Fore wing with dark
inbranchesofFraxinussp.andotherwood-bor- fleckunderstigma.Tergites1and2red.
ing Cerambycidae in Quercus sp. and Prunus X.(X.)irrigator(Fabricius)
spp. Frons with fine punctures. Antenna without
white ring. Fore wing without fleck.
Metasomaentirelyblack.
3.13.Xorides(Xorides)sepulchralis X.(X.)ater(Gravenhorst)
(Holmgren,1860) 5. Occipitalcarinadorso-mediallyinterrupted.6
Occipitalcarinacomplete. 9
Materialexamined. 1$, Huinan, JilinProvince, 6. Basalareaofpropodeumseparatedfromare-
12.VII.1991;2$$,1#,Lushuihe,JilinProvince, olabybasaltransversecarina.Firsttergite3.6
25.VII.1991;1$,17##,Xinbin,LiaoningPro- timeslongerthanitsapicalwidth.(Maleun-
vince, 28.–29.V.1994, Mao-Ling Sheng; 1#, known) X.(X.)longicaudus,sp.nov.
Daxingguo, Jilin Province, 9.VII.1994, Mao- Basalareacombinedwithareola.Firsttergite
Ling Sheng; 1$, Longyuwan Natural Reserve, atmost2.5timeslongerthanitsapicalwidth.7
1050m.a.s.l., Luanchuan, Henan Province, 7. Ovipositor sheath 0.6–0.7X as long as fore
22.V.1999, Mao-Ling Sheng; 1#, Baihe, Jilin wing.Areolaconfluentwithbasalarea.Fore
Province,8.VI.2002,De-JunHao;1$,Tonghua, wingwithdarkishbrownflecks.
JilinProvince,8.VI.2002,De-JunHao. X.(X.)furcatusLiuetSheng
Hosts.RearedfromMassicusraddeiBlessig Ovipositorsheathatleastaslongasforewing.
(Coleoptera:Cerambycidae).inbranchandtrunk Areola comparted from basal area by basal
ofQuercusliaotungensisKoidz. transversecarina.Forewingwithoutfleck. 8
8. Malarspaceaslongasbasalwidthofmandi-
ENTOMOL.FENNICAVol.19 (cid:127) SpeciesofXoridesparasitizingwoodborers 93
ble.Firsttergite2.4timeslongerthanitsapi- 5. Median dorsal carina of first tergite of
calwidth.Fronsorbitsentirelyblack. metasom complete, reaching to hind margin
X.(X.)erigentisWang&Gupta of first tergite. Occipital carina interrupted
Malarspaceabout0.6Xaslongasbasalwidth medio-dorsally.
ofmandible.Firsttergite2.0timeslongerthan X.(X.)sepulchralis(Holmgren)
itsapicalwidth.Frontalorbitswhite. Median dorsal carina of first tergite of
X.(X.)sepulchralis(Holmgren) metasomatmostreachingto2/3offirstter-
9. Eachofapical3segmentsoflabialpalpishort gite.Occipitalcarinacomplete. 6
and with very thick apical portion; median 6. Faceentirelyblack.(Femaleunknown).
portion of apical segment (Fig. 3c) strongly X.(X.)aculeatusLiuetSheng
swollendorsallyandslightlydepressed,api- Facepartlyorentirelywhite. 7
calportionverysmallandtapered.Basalarea 7. Faceentirelywhite.
of propodeum separated from areola by ca- X.(X.)brachylabis(Kriechbaumer)
rina.Areolacombinedwithapicalarea.(Male Facepartlywithwhitishfleck.
unknown). X.(X.)tumidus,sp.nov. X.(X.)aterGravenhorst
Labial palpi normal, not tumid. Basal area
combinedwithareola.Areolaseparatedfrom Acknowledgements.WearedeeplygratefultoDr.Donald
apicalareabycarina. 10 Quicke, Division of Biology, Imperial College London,
UK, for reviewing this manuscript. We also thank Dr.
10.Firstlateralareasofpropodeumwithoblique
KlausSchönitzer,ZoologischeStaatssammlungMünchen,
longitudinal wrinkles (Fig. 2b). Inner orbits
Germany, Dr. JacekHilszczanski, DepartmentofForest
black.(Maleunknown). Protection,ForestResearchInstitute,Warsaw,Poland,and
X.(X.)pissodius,n.sp. Dr.RikioMatsumoto,OsakaMuseumofNaturalHistory,
First lateral areas of propodeum with punc- Osaka,Japan,fortheirkindnessinofferingvaluablemate-
rialandlendingspecimens.FinancialsupportfromtheNa-
tures.Innerorbitswhite.
tionalNaturalScienceFoundationofChina(NSFC,No.
X.(X.)brachylabis(Kriechbaumer)
30471397)isthankfullyacknowledged.
Males
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