右图为 躅型 左图为 无头型 S
右图为 躅型 左图为 无头型
对 图23-138膜短目幼虫类型 A,广服亚日场型幼虫B细腰亚目无足型幼虫
benefication It contains a great many insects that are ◆ of value as parasites or predators of various insect pests It contains the most important insects that are involved in the pollination of plants
benefication It contains a great many insects that are of value as parasites or predators of various insect pests It contains the most important insects that are involved in the pollination of plants
Classification ◆ 全世界已知12万多种（估计至少应有25 万种)，我国已知25000种左右 This order is divided into two suborders Symphyta广腰亚目 Apocrita细腰亚目
Classification 全世界已知12万多种（估计至少应有25 万种），我国已知25000种左右 This order is divided into two suborders Symphyta广腰亚目 Apocrita细腰亚目
(1)Symphyta广腰亚目 The abdomen is broadly attached to the thorax and there is no marked constriction between the first and second abdominal segments ◆Hind wings at least3 based cells(基室) 2-segments trochanter
(1)Symphyta 广腰亚目 The abdomen is broadly attached to the thorax and there is no marked constriction between the first and second abdominal segments Hind wings at least 3 based cells (基室) 2-segments trochanter