Fig. 18 in Xenos vesparum (Strepsiptera: Xenidae)-A New Insect Model and Its Endoparasitic Secondary Larva

Fig. 18. Late female secondary larva of X. vesparum, histological cross sections.A. Posterior region of head, detailed view of stemmata; B. Posterior metathorax, details of spiracular muscles; C. Abdominal segment II, details of midgut; D. Abdominal segment II, details of birth organs; E. Posterior region of abdominal segment II, details of birth organ; F. Posterior region of double segment IX+X, details of posterior end of midgut; G. Posterior region of double segment IX+X, details of hindgut. abn: abdominal nerve; ag1: abdominal ganglion I; bo*: anlage of birth organs; fb: fat body; hg: hindgut; mg: midgut; oc: oocytes; rm: ring muscles of birth organ; st: stemmata; tr: tracheae. For designations of muscles see sectionTracheal System.