中(zhong)(zhong)華(hua)(hua)(hua)斗(dou)(dou)蟋(xi)(xi)(xi),又名迷卡斗(dou)(dou)蟋(xi)(xi)(xi)(學名:Velarifictorus micado)是直翅目蟋(xi)(xi)(xi)蟀科的(de)(de)一種(zhong)常(chang)見(jian)鳴(ming)蟲,即常(chang)人所說的(de)(de)“蛐蛐兒(er)”,廣泛分(fen)布于我國(guo)的(de)(de)廣大地(di)區。中(zhong)(zhong)華(hua)(hua)(hua)斗(dou)(dou)蟋(xi)(xi)(xi)通(tong)體(ti)黑褐(he)色,頭大,頂(ding)部(bu)寬圓,顏(yan)面(mian)圓凸飽滿(man);常(chang)棲息于野外地(di)面(mian)、土堆(dui)、石塊和墻隙(xi)中(zhong)(zhong),掘洞或(huo)利用現成瓦礫(li)石塊縫(feng)隙(xi)而居,并嚙食植(zhi)物的(de)(de)莖(jing)、葉、種(zhong)實和根部(bu),偶(ou)爾(er)捕食小型(xing)昆蟲,是農業害蟲。每到夏天,雄性(xing)為了求偶(ou),會不間(jian)斷地(di)鳴(ming)叫(jiao),直到深秋才逐漸停止。中(zhong)(zhong)華(hua)(hua)(hua)斗(dou)(dou)蟋(xi)(xi)(xi)是中(zhong)(zhong)國(guo)最(zui)常(chang)見(jian)的(de)(de)用來(lai)斗(dou)(dou)蟋(xi)(xi)(xi)蟀的(de)(de)品(pin)種(zhong)之(zhi)一。
中華(hua)斗蟋體長(chang)(chang)(chang)13-18mm,通體黑褐色(se)。頭大,頂(ding)部(bu)寬圓(yuan),顏面圓(yuan)凸飽滿,后(hou)頭有(you)(you)6條黃(huang)色(se)短縱紋,兩(liang)側單眼(yan)之間具(ju)1條中間狹(xia)兩(liang)端(duan)寬,形似大括號“{”的黃(huang)色(se)橫帶,中單眼(yan)處具(ju)一(yi)小(xiao)黃(huang)斑點(dian)。前(qian)胸背板(ban)橫長(chang)(chang)(chang)方(fang)形,具(ju)淡黃(huang)色(se)斑紋。前(qian)翅(chi)(chi)略不達腹(fu)端(duan)。后(hou)翅(chi)(chi)短于(yu)前(qian)翅(chi)(chi)。亦有(you)(you)后(hou)翅(chi)(chi)長(chang)(chang)(chang)于(yu)前(qian)翅(chi)(chi)的個(ge)體,俗稱“飛機(ji)翅(chi)(chi)”。雄蟲前(qian)翅(chi)(chi)長(chang)(chang)(chang)達腹(fu)端(duan),發音(yin)鏡斜(xie)長(chang)(chang)(chang)方(fang)形,內有(you)(you)一(yi)彎成直角的翅(chi)(chi)脈(mo)將(jiang)鏡分為兩(liang)室,斜(xie)脈(mo)2條,端(duan)區約與發音(yin)鏡等長(chang)(chang)(chang),末端(duan)圓(yuan)。雌(ci)蟲前(qian)翅(chi)(chi)短于(yu)腹(fu)部(bu)末端(duan),后(hou)翅(chi)(chi)超過腹(fu)端(duan)似尾(wei)狀,常脫毛,產卵管長(chang)(chang)(chang)于(yu)后(hou)足腿(tui)節(jie)。
中(zhong)(zhong)華(hua)斗(dou)蟋(xi)(xi)棲息于野外地面、土堆、石塊和(he)墻隙中(zhong)(zhong),掘洞穴(xue)或(huo)利用現(xian)成的瓦(wa)礫石塊縫隙而居。中(zhong)(zhong)華(hua)斗(dou)蟋(xi)(xi)所(suo)筑洞穴(xue)常帶蓬蓋狀伸出物,與地面約成45°角。拉丁(ding)屬名(ming)“Velarifictorus”即有“覆蓋物”之意。雄性(xing)(xing)(xing)具極強(qiang)的領地占有習性(xing)(xing)(xing),一個洞穴(xue)只(zhi)(zhi)能(neng)容(rong)納(na)一只(zhi)(zhi)雄性(xing)(xing)(xing)或(huo)和(he)單只(zhi)(zhi)雌性(xing)(xing)(xing)配偶。為(wei)了爭地盤、爭配偶,與其(qi)他雄性(xing)(xing)(xing)個體進行殊死決(jue)斗(dou)是它們在行為(wei)上的特性(xing)(xing)(xing)。野外占據地域寬廣,鳴聲響亮(liang)的中(zhong)(zhong)華(hua)斗(dou)蟋(xi)(xi),通常具有較強(qiang)的斗(dou)性(xing)(xing)(xing)。
地理分布
上海、北京、天津(jin)、山東(dong)、江蘇、浙江、福建(jian)、廣東(dong)等地。
雌(ci)(ci)性(xing)(xing)一般選擇體(ti)型較大(da)的雄(xiong)性(xing)(xing)進(jin)行交(jiao)(jiao)配(pei)。交(jiao)(jiao)配(pei)前,雄(xiong)性(xing)(xing)會(hui)(hui)為了吸引雌(ci)(ci)性(xing)(xing)注意而連續地(di)、不間斷地(di)尖聲鳴叫(jiao),它(ta)們(men)互相用(yong)觸角(jiao)觸碰,之后(hou)(hou)(hou),雌(ci)(ci)性(xing)(xing)慢(man)慢(man)爬上雄(xiong)性(xing)(xing)后(hou)(hou)(hou)背,生(sheng)殖(zhi)器(qi)與(yu)雄(xiong)性(xing)(xing)的對(dui)接(jie)。與(yu)其他蟋蟀科昆蟲一樣,雄(xiong)性(xing)(xing)開(kai)始(shi)不斷收縮腹部(bu)排出精莢,整個過程約二十(shi)分(fen)鐘左右。精莢排出后(hou)(hou)(hou),雄(xiong)性(xing)(xing)變得異常(chang)興奮,然(ran)后(hou)(hou)(hou)獨(du)自(zi)離開(kai)覓食以(yi)補充體(ti)力,以(yi)便下次交(jiao)(jiao)配(pei);而雌(ci)(ci)性(xing)(xing)會(hui)(hui)把腹部(bu)向前弓(gong),咬食精托以(yi)獲得營養。若交(jiao)(jiao)配(pei)時不慎(shen)分(fen)離,則會(hui)(hui)重(zhong)新交(jiao)(jiao)配(pei)。
交配(pei)后3-14天雌(ci)性就會產卵,產卵時(shi)把(ba)肛(gang)門下端的(de)產卵管插入(ru)松軟的(de)土壤(rang)中,并排出卵粒。一只雌(ci)蟲一次可產最多百枚(mei)卵。卵形似米粒,極其(qi)微小,呈褐色(se)。
卵(luan)在自然(ran)條件下開始孵(fu)化,約1年后(hou)一(yi)齡(ling)幼蟲(chong)破土(tu)而出倒(dao)掛在植物上(shang)利用重力進(jin)行第一(yi)次(ci)蛻皮(pi)。每(mei)只(zhi)斗蟋需(xu)經歷(li)幾(ji)次(ci)蛻皮(pi)后(hou)才可(ke)變為(wei)成(cheng)蟲(chong),每(mei)蛻一(yi)次(ci)皮(pi),身體(ti)都會(hui)長大一(yi)些。約3-5天后(hou)雄蟋蟀性成(cheng)熟(shu),開始鳴叫,尋求配偶。
清澈(che)嘹亮,節奏(zou)中速,聲(sheng)(sheng)如“句(ju)(ju),句(ju)(ju),句(ju)(ju),句(ju)(ju)(Ju)……”。鳴聲(sheng)(sheng)連續(xu)無間(jian)斷。在無干(gan)擾的情況(kuang)下,鳴叫長達(da)幾十分(fen)鐘,甚(shen)至100分(fen)鐘以上。中華斗蟋不同(tong)性(xing)比條件(jian)下,鳴聲(sheng)(sheng)的聲(sheng)(sheng)學特征(zheng)不同(tong)。雄(xiong)(xiong)性(xing)獨處(chu)時(shi)(shi)發(fa)出(chu)召喚聲(sheng)(sheng);2只以上的雄(xiong)(xiong)性(xing)在一起(qi)時(shi)(shi)會發(fa)出(chu)警戒聲(sheng)(sheng)、挑戰聲(sheng)(sheng)或勝(sheng)利(li)聲(sheng)(sheng);1雄(xiong)(xiong)1雌在一起(qi)時(shi)(shi)會發(fa)出(chu)歡迎聲(sheng)(sheng)、求(qiu)愛聲(sheng)(sheng),如果雌性(xing)不理會雄(xiong)(xiong)性(xing)的求(qiu)愛時(shi)(shi)則會發(fa)出(chu)一種催促(cu)聲(sheng)(sheng)。