PLATE XIII. 



A. — Neoprociphilus attenuatus, forewing. 

 B. — Neoprociphilus attenuatus, antenna of alate form. 

 C. — Neoprociphilus attenuatus, segment V of antenna of alate form. 

 D. — Neoprociphilus attenuatus, antenna of apterous form. 

 E. — Neoprociphilus attenuatus, antenna oi male. 

 F. — Neoprociphilus attenuatus, antenna of oviparous female. 

 G. — Prociphilus bumeliae, aDtenna of alate female. 

 H. — Prociphilus bumeliae, antenna of stem mother. 

 I. — Prociphilus bumeliae, wings. 

 J. — Prociphilus bumeliae, abdomen of alate form. 

 K. — Prociphilus bumeliae, thoracic wax plates. 

 L. — Prociphilus bumeliae, head wax plates. 

 M. — Prociphilus xylostei, thoracic wax plates. 

 N. — Prociphilus bumeliae (poscheringi), thoracic wax plates. 

 0. — Thecabius affinis, antenna of stem mother. 

 P. — Thecabius affinis, antenna of alate form. 

 Q. — Thecabius affinis, wings. 

 R. — Thecabius affinis, thorax of alate form. 

 S. — Thecabius affinis, head wax plates of stem mother. 

 T. — Thecabius affinis, abdominal wax plate. 

 U. — Thecabius affinis, abdominal wax plates of stem mother. 

 V. — Forda sp., apterous form. 

 W. — Forda olivaeea, antenna of alate form. 

 X. — Forda trivialis, antenna of alate form. 

 Y. — Forda marginata, antenna of alate form. 

 Z. — Forda olivaeea, fore wing. 

 AA. — Forda formicaria, antenna of apterous form. 

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