為(wei)膜翅目,胡(hu)蜂(feng)科。體長竟(jing)達40毫(hao)米,是(shi)世界上(shang)最大(da)的胡(hu)蜂(feng)。頭部(bu)(bu):寬(kuan)較(jiao)胸(xiong)部(bu)(bu)窄(zhai),但略(lve)寬(kuan)于前(qian)胸(xiong)背板(ban)(ban)前(qian)緣(yuan);胸(xiong)部(bu)(bu):前(qian)胸(xiong)背板(ban)(ban)前(qian)緣(yuan)中央略(lve)隆起,被中胸(xiong)背板(ban)(ban)端部(bu)(bu)分(fen)開,肩角明顯,前(qian)緣(yuan)兩側黃(huang)棕色(se)(se),其(qi)余(yu)均呈(cheng)黑褐色(se)(se),但有(you)(you)的個(ge)體肩角處各有(you)(you)1棕色(se)(se)斑,刻點幾無,但布(bu)有(you)(you)棕色(se)(se)毛(mao)。腹(fu)部(bu)(bu):除第6節背、腹(fu)板(ban)(ban)全呈(cheng)橙黃(huang)色(se)(se)外,其(qi)余(yu)各節背板(ban)(ban)均為(wei)棕黃(huang)色(se)(se)與黑褐色(se)(se)相(xiang)間。捕食多種(zhong)(zhong)昆蟲,在生(sheng)物防(fang)治(zhi)上(shang)有(you)(you)較(jiao)大(da)利用價值,同時亦會吸食成熟水果(guo),帶來一(yi)定害處。屬(shu)東洋、古北區系共有(you)(you)種(zhong)(zhong)。
屬東洋、古北(bei)區系共有種。
國內分布面(mian)較廣,北(bei)起吉林(lin)(長白山(shan)),南(nan)(nan)至臺灣及(ji)廣東(dong)、廣西(xi)(xi)、云南(nan)(nan)南(nan)(nan)緣,東(dong)接(jie)國境線,西(xi)(xi)向沿遼寧、河北(bei)、山(shan)西(xi)(xi)、陜西(xi)(xi)(延安(an))、甘肅(su)(慶陽、隴南(nan)(nan)地區)西(xi)(xi)斜(xie),折入四川、云南(nan)(nan),止于盆地西(xi)(xi)緣和橫斷山(shan)系東(dong)側(ce),是胡(hu)蜂(feng)科中常見種類之一(yi)。
國外分布于(yu)朝鮮(xian)、日本(北海道一九州)及(ji)歐洲(法國)。
頭部(bu)(bu)(bu)(bu)(bu):寬(kuan)較胸部(bu)(bu)(bu)(bu)(bu)窄,但略(lve)寬(kuan)于前胸背板前緣。兩(liang)觸(chu)角(jiao)窩之(zhi)間三角(jiao)狀平面隆起(qi),隆起(qi)端(duan)部(bu)(bu)(bu)(bu)(bu)伸達(da)唇基(ji)基(ji)部(bu)(bu)(bu)(bu)(bu),額溝明(ming)顯(xian),整個(ge)頭部(bu)(bu)(bu)(bu)(bu)桔黃色(se)(se)(se)(se),額部(bu)(bu)(bu)(bu)(bu)及頰部(bu)(bu)(bu)(bu)(bu)較稀(xi)的布有(you)淺刻(ke)點,僅(jin)沿后頭邊緣布有(you)棕(zong)色(se)(se)(se)(se)毛,頰部(bu)(bu)(bu)(bu)(bu)寬(kuan),棕(zong)色(se)(se)(se)(se)單眼呈(cheng)倒三角(jiao)形(xing)排列于兩(liang)復眼頂部(bu)(bu)(bu)(bu)(bu)之(zhi)間,每個(ge)單眼周圍略(lve)呈(cheng)黑色(se)(se)(se)(se)。觸(chu)角(jiao)支角(jiao)突深棕(zong)色(se)(se)(se)(se),柄節(jie)棕(zong)黃色(se)(se)(se)(se),鞭節(jie)黑色(se)(se)(se)(se),唯基(ji)部(bu)(bu)(bu)(bu)(bu)數節(jie)的腹面及端(duan)部(bu)(bu)(bu)(bu)(bu)數節(jie)呈(cheng)銹色(se)(se)(se)(se)。唇基(ji)略(lve)隆起(qi),寬(kuan)大于高,全(quan)呈(cheng)桔黃色(se)(se)(se)(se),密(mi)布刻(ke)點,沿端(duan)部(bu)(bu)(bu)(bu)(bu)布有(you)棕(zong)色(se)(se)(se)(se)毛,基(ji)部(bu)(bu)(bu)(bu)(bu)中央(yang)凹陷,端(duan)部(bu)(bu)(bu)(bu)(bu)兩(liang)側齒(chi)狀突起(qi)。上(shang)顎(e)基(ji)部(bu)(bu)(bu)(bu)(bu)寬(kuan),近三角(jiao)形(xing),桔黃色(se)(se)(se)(se),端(duan)部(bu)(bu)(bu)(bu)(bu)處呈(cheng)黑色(se)(se)(se)(se),端(duan)部(bu)(bu)(bu)(bu)(bu)下半部(bu)(bu)(bu)(bu)(bu)有(you)3個(ge)齒(chi),上(shang)半部(bu)(bu)(bu)(bu)(bu)刃狀,最上(shang)端(duan)有(you)1短(duan)齒(chi),上(shang)顎(e)布有(you)刻(ke)點和極短(duan)的毛。頰部(bu)(bu)(bu)(bu)(bu)明(ming)顯(xian)超過復限(xian)寬(kuan)。
胸(xiong)(xiong)部:前(qian)(qian)胸(xiong)(xiong)背(bei)板(ban)前(qian)(qian)緣中(zhong)(zhong)央略隆(long)起(qi),被中(zhong)(zhong)胸(xiong)(xiong)背(bei)板(ban)端(duan)(duan)部分開(kai),肩角明顯,前(qian)(qian)緣兩(liang)側黃棕(zong)(zong)(zong)(zong)(zong)色(se)(se),其余均(jun)呈黑(hei)褐(he)(he)色(se)(se),但(dan)有(you)的個(ge)體(ti)肩角處各(ge)(ge)有(you)1棕(zong)(zong)(zong)(zong)(zong)色(se)(se)斑(ban)(ban),刻(ke)(ke)點(dian)幾(ji)無,但(dan)布(bu)(bu)(bu)有(you)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao)。中(zhong)(zhong)胸(xiong)(xiong)背(bei)板(ban)略隆(long)起(qi),中(zhong)(zhong)央有(you)細縱隆(long)線,刻(ke)(ke)點(dian)細淺而稀(xi),布(bu)(bu)(bu)有(you)稀(xi)的棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao),全呈黑(hei)褐(he)(he)色(se)(se),但(dan)有(you)些個(ge)體(ti)于前(qian)(qian)緣兩(liang)側及近翅基(ji)片(pian)(pian)(pian)處各(ge)(ge)有(you)l條狀(zhuang)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)斑(ban)(ban)。小盾片(pian)(pian)(pian)矩形(xing),略隆(long)起(qi),光(guang)(guang)滑(hua),稀(xi)布(bu)(bu)(bu)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao),全呈黑(hei)褐(he)(he)色(se)(se),或棕(zong)(zong)(zong)(zong)(zong)色(se)(se)。后(hou)(hou)(hou)小盾片(pian)(pian)(pian)向下(xia)垂直,五邊形(xing),端(duan)(duan)部突出,光(guang)(guang)滑(hua)、無刻(ke)(ke)點(dian),稀(xi)布(bu)(bu)(bu)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao),全呈黑(hei)褐(he)(he)色(se)(se),有(you)時于兩(liang)側各(ge)(ge)有(you)1點(dian)狀(zhuang)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)斑(ban)(ban)。并胸(xiong)(xiong)腹節全呈黑(hei)褐(he)(he)色(se)(se),稀(xi)布(bu)(bu)(bu)淺刻(ke)(ke)點(dian),布(bu)(bu)(bu)有(you)棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao),中(zhong)(zhong)央自淺溝,背(bei)面平。中(zhong)(zhong)胸(xiong)(xiong)側板(ban)黑(hei)褐(he)(he)色(se)(se),布(bu)(bu)(bu)有(you)淺刻(ke)(ke)點(dian)及棕(zong)(zong)(zong)(zong)(zong)色(se)(se)毛(mao)。后(hou)(hou)(hou)胸(xiong)(xiong)側板(ban)黑(hei)褐(he)(he)色(se)(se),光(guang)(guang)滑(hua)、無毛(mao)及刻(ke)(ke)點(dian)。翅基(ji)片(pian)(pian)(pian)棕(zong)(zong)(zong)(zong)(zong)色(se)(se),內(nei)緣色(se)(se)暗,光(guang)(guang)滑(hua),后(hou)(hou)(hou)緣稀(xi)布(bu)(bu)(bu)短毛(mao)。翅呈棕(zong)(zong)(zong)(zong)(zong)色(se)(se),前(qian)(qian)翅前(qian)(qian)緣色(se)(se)略深。前(qian)(qian)、中(zhong)(zhong)、后(hou)(hou)(hou)足之各(ge)(ge)節均(jun)呈黑(hei)褐(he)(he)色(se)(se),僅膝部及前(qian)(qian)足脛節背(bei)面呈棕(zong)(zong)(zong)(zong)(zong)色(se)(se)。爪光(guang)(guang)滑(hua)無齒(chi)。
腹部:除第(di)6節背(bei)、腹板全(quan)呈(cheng)橙黃色(se)(se)(se)外,其(qi)余各節背(bei)板均為(wei)棕(zong)黃色(se)(se)(se)與黑(hei)褐(he)(he)(he)(he)色(se)(se)(se)相間(jian)。第(di)1節腹板全(quan)呈(cheng)黑(hei)褐(he)(he)(he)(he)色(se)(se)(se),第(di)2至5節腹板均為(wei)黑(hei)褐(he)(he)(he)(he)色(se)(se)(se),僅于端部確1棕(zong)黃色(se)(se)(se)窄帶。第(di)1節背(bei)板與第(di)2節背(bei)板兩(liang)端橙色(se)(se)(se),中間(jian)黑(hei)褐(he)(he)(he)(he)色(se)(se)(se)。第(di)3至5節背(bei)板僅于端部邊緣為(wei)橙色(se)(se)(se),基部為(wei)黑(hei)褐(he)(he)(he)(he)色(se)(se)(se),兩(liang)色(se)(se)(se)橫帶相間(jian)之寬(kuan)窄,個體間(jian)常(chang)略(lve)有(you)(you)差(cha)異。各節均較光滑,僅能(neng)略(lve)見(jian)淺細(xi)的刻點,均布有(you)(you)棕(zong)色(se)(se)(se)毛。
體長約30至(zhi)40毫米。職蜂(feng)較(jiao)小。
近(jin)似于雌蜂。棕色毛較密,體上(shang)常有些棕色斑。
體長34毫米。
捕食多(duo)種(zhong)昆(kun)蟲,在(zai)生物防治上有較(jiao)大利用價值,同時亦會吸食成熟水果,帶來一定害處(chu)。
鱗翅目幼蟲。