宽原完眼蝶角蛉 Protidricerus elwesii

科:蝶角蛉科 Ascalaphidae

属:原完眼蝶角蛉属 Protidricerus

鉴定描述:头顶、额、颊黑色,被浓密的黑色毛。唇基、上唇黄色,上颗深褐色。下唇须、下额须红褐色,具黑色短毛。复眼完整,无横沟,黄色或褐色。触角褐色,端部黑色,勺形,约等于前翅长的2/3。胸背板灰褐色,具棕色长毛。胸腹面灰褐色,具白色和黑色长毛,雄性常以白色长毛为主。前翅较宽阔,外缘与后缘连线呈深弧线,腋角不外突。翅浅茶色,前缘区基半部色较深,翅脉深褐色。翅痣黄褐色,具4横脉。前缘区横脉34-35条,端区小室3排,Cu区小室5排。后翅短于前翅,颜色与前翅相似,翅痣黄褐色,具5横脉。端区小室3排,Cu区小室4-5排。CuA2角长,略超过CuA1的1/4。足腿节、腔节红褐色,腿节具白色及黑色长毛,腔节具黑色长毛。附节、距及爪深红褐色,附节具黑色短刺。腹部短于后翅,黑色,一些节后缘有黄边。雄性腹基部腹板常有一段灰白色。雄性生殖器:肛上片楠圆形;生殖弧宽拱形;阳基侧突端部靠近,基部远离;垫突不显著;有盾状片。雌性生殖器:腹面观腹瓣长茄形,无内齿,舌片不显著,端瓣近桐圆形,约为腹瓣的1/2。

Diagnosis. Wing wide, distal margin and posterior margin of hind wing deeply curved, CuA2 reaching over 2 cells, forewing axillary angle not projecting. 

Measurements. Male: body length 32–33 mm, abdomen length 19–20 mm, antenna length 26–27 mm, forewing 36–37 mm, hind wing 32–33 mm. Female: body length 33–37 mm, abdomen length 20–21 mm, antenna length 29–32 mm, forewing 42–51 mm, hind wing 38–45 mm.

Head. Vertex, frons, genae black, with dense black long hairs. Clypeus and labrum yellow. Mandible dark brown. Maxillary palpus and labial palpus red brown, with black short setae. Eyes yellow or brown, entire, no transverse furrow. Antennae brown with black apex, spoon shape, about as long as 2/3 length of forewing.

Thorax. Pronotum grey brown, with brown long setae. Venter grey brown, with white and black long setae, male often with white long setae.

Wings. Forewing wide, light umber, the basal part of costal area dark color, veins dark brown. The distal and posterior edge strongly curved, axillary angle indistinct. Pterostigma yellowish brown, with 4 crossveins. Costal area with 34–35 crossveins, apical area with 3 rows of cells, Cubital area with 5 rows of cells in the longest central across row. Hind wing shorter than forewing, color similar to forewing. Pterostigma yellowish brown, with 5 crossveins. Apical area with 3 rows of cells, Cubital area with 4–5 rows of cells in the longest central across row. CuA2 long, reaching over 2 cells.

Legs. Femora red brown, with white and black long setae. Tibia red brown, with black long setae. Spurs and claws red brown. Tarsomere red brown.

Abdomen. Black, shorter than hind wing. Posterior margin of some segments yellow. Basal sternite of male often grey white.

Terminalia and Genitalia. Male. Ectoprocts oval; gonarcus wide vaulted; parameres close to each other terminal and far separated basal, pelta present; pulvini bursiform, with black setae. Female. Ventrovalvae long eggplant shape, without interdens; linguella small; distivalvae nearly oval.

Distribution: China (Sichuan, Zhejiang, Fujian, Guangxi, Guizhou, Tibet), Burma, India, Pakistan.

  • 宽原完眼蝶角蛉 Protidricerus elwesii 生态照1:7月
  • 宽原完眼蝶角蛉 Protidricerus elwesii 生态照1:宋志顺

标本库照片拍摄坐标

宽原完眼蝶角蛉 Protidricerus elwesii 生态照1:27°42’52.446″ N 119°40’52.512″ E (中国浙江省温州市泰顺县浙江乌岩岭国家级自然保护区)

订阅评论
提醒
guest
0 评论
最旧
最新 最多投票
内联反馈
查看所有评论