中華斗蟋(xi),又名迷(mi)卡斗蟋(xi)(學名:Velarifictorus micado)是直翅目蟋(xi)蟀(shuai)科的(de)(de)一(yi)種(zhong)常見(jian)鳴(ming)蟲,即(ji)常人所說的(de)(de)“蛐蛐兒”,廣泛分(fen)布于我(wo)國的(de)(de)廣大(da)地(di)(di)區。中華斗蟋(xi)通體黑褐(he)色,頭(tou)大(da),頂部寬圓(yuan),顏面圓(yuan)凸(tu)飽滿;常棲息于野外地(di)(di)面、土堆、石(shi)塊(kuai)和墻隙中,掘洞或利用(yong)(yong)現(xian)成(cheng)瓦礫石(shi)塊(kuai)縫隙而居,并嚙食(shi)植物的(de)(de)莖、葉、種(zhong)實和根(gen)部,偶(ou)(ou)爾捕食(shi)小型昆蟲,是農業害蟲。每到夏天,雄性(xing)為了求偶(ou)(ou),會不間(jian)斷地(di)(di)鳴(ming)叫,直到深秋才逐漸停止(zhi)。中華斗蟋(xi)是中國最常見(jian)的(de)(de)用(yong)(yong)來斗蟋(xi)蟀(shuai)的(de)(de)品種(zhong)之一(yi)。
中(zhong)(zhong)華斗蟋體(ti)長(chang)13-18mm,通體(ti)黑褐色。頭(tou)大(da),頂部寬(kuan)圓,顏面圓凸飽滿,后頭(tou)有6條黃(huang)色短縱紋,兩(liang)(liang)側單眼之間(jian)(jian)具(ju)1條中(zhong)(zhong)間(jian)(jian)狹兩(liang)(liang)端寬(kuan),形似(si)大(da)括號(hao)“{”的(de)黃(huang)色橫帶(dai),中(zhong)(zhong)單眼處具(ju)一(yi)小黃(huang)斑點。前(qian)胸背板橫長(chang)方形,具(ju)淡黃(huang)色斑紋。前(qian)翅(chi)(chi)(chi)(chi)略不達腹端。后翅(chi)(chi)(chi)(chi)短于前(qian)翅(chi)(chi)(chi)(chi)。亦有后翅(chi)(chi)(chi)(chi)長(chang)于前(qian)翅(chi)(chi)(chi)(chi)的(de)個體(ti),俗稱“飛機翅(chi)(chi)(chi)(chi)”。雄(xiong)蟲(chong)前(qian)翅(chi)(chi)(chi)(chi)長(chang)達腹端,發(fa)音鏡斜(xie)長(chang)方形,內有一(yi)彎(wan)成直(zhi)角的(de)翅(chi)(chi)(chi)(chi)脈將鏡分(fen)為兩(liang)(liang)室(shi),斜(xie)脈2條,端區約與發(fa)音鏡等長(chang),末端圓。雌蟲(chong)前(qian)翅(chi)(chi)(chi)(chi)短于腹部末端,后翅(chi)(chi)(chi)(chi)超(chao)過腹端似(si)尾狀,常脫毛(mao),產卵管長(chang)于后足(zu)腿節。
中華(hua)斗(dou)蟋(xi)棲息于(yu)野外地(di)面、土堆(dui)、石塊和墻隙(xi)中,掘洞穴或利(li)用現成(cheng)的(de)(de)瓦(wa)礫石塊縫隙(xi)而居。中華(hua)斗(dou)蟋(xi)所筑洞穴常(chang)帶蓬蓋(gai)狀(zhuang)伸(shen)出物,與地(di)面約(yue)成(cheng)45°角。拉丁屬名“Velarifictorus”即有(you)(you)“覆蓋(gai)物”之(zhi)意(yi)。雄(xiong)性(xing)(xing)(xing)(xing)具極(ji)強的(de)(de)領地(di)占有(you)(you)習(xi)性(xing)(xing)(xing)(xing),一個洞穴只(zhi)能容納一只(zhi)雄(xiong)性(xing)(xing)(xing)(xing)或和單只(zhi)雌性(xing)(xing)(xing)(xing)配(pei)偶。為了爭(zheng)地(di)盤、爭(zheng)配(pei)偶,與其他(ta)雄(xiong)性(xing)(xing)(xing)(xing)個體進行殊死決斗(dou)是它們在行為上的(de)(de)特性(xing)(xing)(xing)(xing)。野外占據地(di)域寬(kuan)廣,鳴(ming)聲(sheng)響亮的(de)(de)中華(hua)斗(dou)蟋(xi),通常(chang)具有(you)(you)較強的(de)(de)斗(dou)性(xing)(xing)(xing)(xing)。
地理分布
上海、北京、天津、山(shan)東、江(jiang)蘇、浙江(jiang)、福建、廣東等地。
雌(ci)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)一般選(xuan)擇體型較大(da)的雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)進行(xing)交(jiao)配(pei)。交(jiao)配(pei)前,雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)會(hui)為了吸引雌(ci)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)注意(yi)而連續地、不間斷地尖(jian)聲鳴(ming)叫,它們互相用觸角觸碰,之后,雌(ci)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)慢慢爬上雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)后背,生(sheng)殖器與雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)的對接(jie)。與其他蟋蟀科(ke)昆蟲(chong)一樣,雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)開始(shi)不斷收縮(suo)腹部排出精莢,整個過程約二(er)十分(fen)鐘左右。精莢排出后,雄(xiong)(xiong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)變得異常興奮(fen),然后獨自離(li)開覓(mi)食以補充體力,以便下次(ci)交(jiao)配(pei);而雌(ci)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)會(hui)把腹部向前弓,咬食精托(tuo)以獲得營養。若交(jiao)配(pei)時不慎分(fen)離(li),則會(hui)重新交(jiao)配(pei)。
交(jiao)配后(hou)3-14天雌性就會產卵(luan),產卵(luan)時把肛門下端的產卵(luan)管插入松軟的土(tu)壤中(zhong),并排出卵(luan)粒。一只雌蟲(chong)一次可產最多百枚卵(luan)。卵(luan)形(xing)似米粒,極(ji)其(qi)微小,呈褐色。
卵在(zai)自(zi)然條(tiao)件下開始(shi)(shi)孵化,約1年后一(yi)齡(ling)幼蟲破土而(er)出倒掛(gua)在(zai)植(zhi)物上(shang)利(li)用重(zhong)力進(jin)行第一(yi)次蛻(tui)皮(pi)。每只(zhi)斗蟋需經歷幾(ji)次蛻(tui)皮(pi)后才可變為成(cheng)蟲,每蛻(tui)一(yi)次皮(pi),身體都會(hui)長大一(yi)些。約3-5天后雄蟋蟀(shuai)性成(cheng)熟,開始(shi)(shi)鳴叫,尋求配偶(ou)。
清澈嘹亮(liang),節奏中(zhong)速,聲(sheng)如“句,句,句,句(Ju)……”。鳴(ming)聲(sheng)連續無(wu)間斷(duan)。在(zai)(zai)無(wu)干擾的情(qing)況下,鳴(ming)叫長達幾十分(fen)鐘,甚(shen)至100分(fen)鐘以(yi)上(shang)(shang)。中(zhong)華斗蟋不(bu)同性比條件下,鳴(ming)聲(sheng)的聲(sheng)學特征不(bu)同。雄性獨處時發(fa)(fa)出召喚(huan)聲(sheng);2只以(yi)上(shang)(shang)的雄性在(zai)(zai)一(yi)起(qi)時會(hui)(hui)發(fa)(fa)出警戒聲(sheng)、挑戰聲(sheng)或勝利聲(sheng);1雄1雌在(zai)(zai)一(yi)起(qi)時會(hui)(hui)發(fa)(fa)出歡(huan)迎聲(sheng)、求愛聲(sheng),如果雌性不(bu)理(li)會(hui)(hui)雄性的求愛時則會(hui)(hui)發(fa)(fa)出一(yi)種催促聲(sheng)。