Fig. 6 in Xenos vesparum (Strepsiptera: Xenidae)-A New Insect Model and Its Endoparasitic Secondary Larva

Fig. 6. Late male secondary larva of X. vesparum, histological cross sections. A. Details of the spiracular anlage; B. Details of the wing anlage in the metathorax; C. Details of the testes and vasa deferentia in the posterior abdomen; D. Metathorax with anlagen of the indirect flight muscles; E. Details of the midgut on the level of the anterior abdomen. abn: abdominal nerve; dv: dorsal vessel; epp: epidermal pouch; fb: fat body; mg: midgut; sp*: anlage of the spiracles; test: testes; tr: tracheae; vdef: vasa deferentia; wia*: wing anlage. For designations of muscles see sections Metathorax,Tracheal System.