JAMES A. G. REHN 255 



Fig. 22. — Anconia hebardi new si)ecies. Lateral outline of head and pronotum 

 of female (type). El Paso, Texas. (X 4|) 



Fig. 23.—Anco7iia hebardi new species. Cephalic outline of head of female 

 {type). El Paso, Texas. (X 4) 



Fig. 24. — Anconia hebardi new species. Lateral outline of head and pronotum 

 of male (allotype). El Paso, Texas. (X 4) 



Fig. 25. — Anconia caeruleipennis Bruner. Lateral outline of head and prono- 

 tum of female (type). Hawthorne, Nevada. (X 2^) 



Fig. 26. — Anconia caeruleipennifi Bruner. Cephalic outline of head of female 

 {type). Hawthorne, Nevada. (X 4) 



Plate XXVIII 



The figures on this plate are reproduced natural size. 



Fig. \. — Derotmema haydenii niesembrinum new subspecies. Male {type). 

 Double Windmill, Texas. 



Fig. 2. — Derotmema haydenii mesembrinum new subspecies. Female {allotype). 

 Marfa, Texas. 



Fig. Z.— Derotmema haydenii haydenii (Thomas). Male. Colorado Springs, 

 Colorado. 



Fig. 4. — Derotmema haydenii haydenii (Thomas). Male. Near La Junta, 

 Colorado. 



Fig. 5. — Derotmema haydenii haydenii (Thomas). Female. Cheyenne, Wyom- 

 ing. 



Fig. 6. — Derotmema haydenii haydenii (Thomas). Female. Knob Hill, Colo- 

 rado Springs, Colorado. 



Fig. 7. — Derotmema haydenii n/e!/aHa?n (Saussure). '^I&Iq {to polype). Salmon 

 City, Idaho. 



Fig. 8. — Derotmema haydenii rileyanum (Saussure). Female. Baker City, 

 Oregon. 



Fig. 9. — Derotmema piute new species. Male {paralype.) Mina, Nevada. 



Fig. 10. — Derotmema piute new species. Female {paralype). Mina, Nevada. 



Fig. IL — M estobregma plattei plattei {Thomns). Male. Newcastle, Wyoming. 



Fig. 12. — Mestohregmaplatteiplattei {Thomas). Female. Newcastle, Wyoming. 



Fig. 13. — Mestobregma impexum r\ew species. Male {paralype) . Milford, Utah. 



Fig. 14. — Mestobregma impexum new species. Female {allotype). Milford, 

 Utah. 



Fig. 15. — Derotmema piute new species. Female {paralype). Mason, Nevada. 



Fig. 16. — Mestobregmaterricolor new species. Male (paralype). Pecos, Texas. 



Fig. 17. — Mestobregma terricolor new species. Female (paralype). Pecos, 

 Texas. 



Fig. 18. — Psinidia fenestralis frater new subspecies. Male {paralype). Gal- 

 veston, Texas. 



Fig. 19. — Psinidia fenestralis frater new subspecies. Female (paralype). 

 Katherine, Texas. 



Fig. 20. — Anconia caeruleipennis Bruner. Female (type) . Hawthorne, Nevada. 



Fig. 21. — Anco7iia hebardi new species. Male (allotype). El Paso, Texas. 



Fig. 22. — Anconia hebardi new species. Female (type). El Paso, Texas. 



TRANS. AM. ENT. SOC, XLV. 



