IIEMIPTEUA HETEROPTERA. 



45 



much longer than the first; first and second 

 joinis almost equal in length. 



** Hind tibiae long, slender, not foliaceous. Fourth 

 joint of the antenna slender, as long as the 

 second and third together. 



f No acute point between the antennae. 

 X Prothorax unarmed. 



§ Antennae somewhat shorter than the body ; 

 second and third joints almost equal, or the 

 second very slightly shorter than the third. 

 Apical angle of the corium distinctly and 

 narrowly extended beyond the middle of the 

 membrane. 



X Prothorax not dilated. ... 



23. Quintius. 24. Myrsilus. 

 X X Hind angles of the prothorax much dilated. 



§§ Antennae two-thirds of the length of the body ; 

 second joint very slightly longer than the 

 third; fourth joint as long as the second 

 and third together. Hind angle of the 

 prothorax on each side forming a somewhat 

 acute tooth, which is inclined hindward. 

 Apical angles of the abdominal segments 

 from the first to the fifth acute, slightly 

 prominent. Apical angle of the corium 

 hardly extending beyond the middle of the 

 membrane, more shortly and less narrowly 

 elongated than in Nematopus. 



XX Prothorax spinous. - 



ff An acute point between the antennae. 



' inger than the 

 the prothorax 

 prominent. 



30. Junia. 31. Lucullia, 



XX Third joint of the rostrum shorter than the 

 fourth. Hind angles of the prothorax not 

 prominent. _----•- 



21. Gracchus. 



X Third joint of the rostrum I 

 fourth. Hind angles of 



22. Sagcntus. 



25. Nematopus. 



26. Acocopcs. 



27. Mebaedus. 

 28. Himella. 



29. Salapia. 

 32. Petalops. 



33. Plaxiscelis. 



Genus 1. RHOMBOGASTER, C. H. 415. 



1. Rhombogaster luteus, C. H. 415. 



a, b. Honduras. From Mr. Dyson's collection, 

 c. Honduras. 



Genus 2. ACROCLYTRUM. 

 Acroclytrum, Mayr, Verh. Zool. Bot. Gesell. Wien. xv. 432. Hem. Het. 83. 



1. Acroclytrum muricatum. 

 muricatum, Mayr, Verh. Zool. Bot. Gesell. Wien. xv. 432. 

 Australia. 



