DESCRIPTION OF PLATES. 



I. 



I'ig-. I. Diagrammatic figure of head of Stylopid; a frontal 

 process, b and d epistome or epistome and labrum, c 

 foramen, e labium, f palpus, g mandible, h sides of 

 face along inner orbits, i eye, j antenna. 



2. Head of Halictophagus schzvarsii front view. 



3. Dorsal view of head and front part of thorax of 

 Briicsia aiistraloisis ; a pronotum. b. mesonotum. 



4. Head of sp. nov., gen. ?, near Xenos; front view. 

 Head of Bnicsia aiistraloisis, front view. 

 The same of Elenchus tcniiiconiis. 

 Antenna of Halictophagus schzvarcii. 

 The same of Elenchus tenuicornis. 

 The same of Bnicsia australcusis. 



II. 



1. Wing of Bnicsia. 



2. The same of Halictophagus schzcar.':ii. 



3. The same of Elenchus. 



4. Elytron of Elenclius, lateral view. 



5. The same from above. 



6. Tarsus of Elenchus. 



7. The same of Bnicsia. 



8. The same of genus near Xenos. 

 Metanotun of Bnicsia. 

 The same of genus near Xenos. 

 The same of Elenchus. 

 Terminal segment of Bnicsia. 

 The same of Elenchus. 



HI. 



1. Ventral view of abdomen of a Fulgorid {Platybrachys 

 or allied genus) showing female parasites and male 

 puparia. 



2. Head of female of B'-vcs<n •-tcnodcs. 



3. The same of Bnicsia phacodes. 



4. The same of Elenchus tenuicornis. 



5. The same of Megalechthrus tryoni. 



6. The same of Halictophagus:' aincricanus. 



