NO. 2242. MORPHOLOGY OF THE 8TREP8IPTERA— PIERCE. 499 



Plate 69. 



Xenoidea. Mynnecolacidae. 



Figs. 1-3. Caenocholax fenycsi, Cordoba, Vera Cruz, Mexico, collected by A. 

 Fenyes. 1. — Adult male, dorsal view. 2. — Lateral view. 3. — Ven- 

 tral view. 



Coleoptera. RhipipJioridae. 



Figs. 4, 5. Myoditcs solhlof/inis, Lincoln, Nebraska. 4. — Lateral view. 5. — Dor- 

 sal view. 

 Author's illustrations. 



Plate 70. 



Xenoidea. Stylopidae. 



Figs 1, 2. Neostylops shannoni, collected at Plummer's Island, Maryland, April 

 7, 1915, by R. C. Shannon. 1. — Dorsal view of male. 2. — Lateral 

 view of male. 

 3, 4. Neostylops crawfordi, from And7-ena crawfordi, collected at Dallas, 

 Texas, April 28, 1906. 3. — Lateral view of prothorax and part of 

 mesothorax, showing spiracle at base of elytron. 4. — Lateral view 

 of male, except legs. 

 5, G. Stylops championi, collected at Woking, England, by G. C. Champion. 

 5. — Scuto-scutellar area of nietathorax. 6. — Side view of elytron 

 showing alar lobe. 

 Author's illustrations. 



Plate 71. 



Figs. 1,2. Stylops bnincri, female. l.—Cephalothorax, ventral. 2. — Right man- 

 dible, ventral. 

 3, 4. Stylops hipunctatae, female. 3. — Right mandible, ventral. 4. — Ceph- 

 alothorax, ventral. 

 5, 6, 7. Stylops calif ornica. 5. — Right mandible of female, ventral. 6. — Fe- 

 male cephalothorax, ventral. 7. — Triungulinid, ventral. 

 8, 9, 10. Stylops hruneri, female. 8. — Right mandible, ventral. 9. — Cephalo- 

 thorax, ventral. 10. — Cephalothorax showing female within, ventral. 

 11, 12. Stylo2)s advarians, female. 11. — Right mandible, ventral. 12. — Ceph- 

 alothorax, ventral. 

 13. Stylops stvcnlii, female. Cephalothorax, ventral. 

 Author's illustrations. 



Plate 72. 

 Xenoidea. Xenidae. 



Fig. 1. Xenos vesparum from PoUstes gallica diadcma, collected at Innsbruck, 

 Austria, by Karl Hofeneder. Side view of male. 

 2-7. Pseudoxenos neomexicana from Odynerus toas, collected at Albuquerque, 

 New Mexico. 2.- — ^Dorsal view of head and thorax of male. 3.— An- 

 tenna. 4. — Wing. 5. — Mandible and maxilla. 6. — Side view of last 

 abdominal segments. 7. — Oedeagus. 



Plate 73. 



Figs. 1-4. Wings of Agallia uhleri parasitized by Agalliapliagus uhleri, collected 

 at Rocky Ford, Colorado, in 1909 and 1912. 2 is almost normal. 

 The others are very abnormal, and undoubtedly due to parasitism. 

 Author's illustrations. 



