2. 



2a. 



HEMIPTERA ^yy 



Conspectus generum. 



Calcar mobile tibiarum posticarum laminatum, bifidum, dentibus invalidis 

 instructum. Formae graminivorae [Tribus Criomorphini]' (2). 



Calcar solidum, subcultratum, dentibus fortioribus, paucioribus instructum. 

 Formae arborivorae vel filicivorae, Nesosydne ipovweicola, forma herbivora, 

 excepta. [Tribus Proterosydnini] (4). 



Antennae fere cylindricae (3). 



Antennae depressae ac dilatatae 2 Perkinsiella Kirkaldy. 



3. Carinae frontis fere ad basim frontis in unum conjunctae 3 Kelisia Fieber. 



3a. Carinae frontis fere medio oculorum conjunctae i Peregrinus Kirkaldy. 



4. Caput ordinarium ( 5 ) . 



4a. Caput perelongatum, abdomine thoraceque simul sumptis longius ... 10 Dictyophorodelphax Swezey. 



5. Frons carinis duabus, interdum obsolescentibus, instructa (6). 



Sa. Frons carinis duabus, in unum fere ad basim conjunctis, instructa (9). 



6. Tegmina baud reticulata (7). 



da. Tegmina brevia, venis baud faciliter distinguendis, subreticulatis 6 Nesorestias Kirkaldy- 



7. Frons elongata, carinis duabus perdistinctis, subparallelis, instructa 5 Nesopleias gen. nov. 



la. Frons minus elongata, carinis lateralibus baud semper faciliter distinguendis ; 



si distinctis, tunc rotundatis (8). 



8. Frons immaculata 4 Aloha (typ.) Kirkaldy. 



2>a. Frons pallida maculata 4a (subg.) Leialoha nov. 



9. Formae pergraciles 9 Nesodryas Kirkaldy. 



9(7. Formae robustae (i°)- 



10. Frons baud maculata 7 Nesosydne Kirkaldy. 



loa. Frons pallide maculata 8 Nesothoe Kirkaldy. 



Peregrinus Kirkaldy. 

 Peregrinus Kirkaldy, 1904, Entom. xxxvii. p. 175. 



( I ) Peregmnus viaidis, Ashmead. 



Delphax maidis Ashmead, 1890, Psyche v. p. 323, figs. 



D. psylloides Lethierry, 1896, Ind. Mus. Notes in. p. 105, fig. 



Peregrinus maidis Kirkaldy, 1906, Bull. H. S. P. Ent. i. p. 407; and 1907 op. cit. 

 III. p. 132, PI. 12, figs. 7 — 8 ; PI. 10, fig. 14. 



Pundaluoya simpiicia Distant, 1906, Faun. Ind. Rh. in. 468, fig. 255. 



Liburnia psylloides Distant, op. cit. 484. 



Hab. All the islands on Zea mays, the adults also on Saccharum officinarum, 

 Sorghum vulgare, etc. One specimen was taken by Dr Perkins in 1892. This intro- 

 duced species is found also on Bromus unioloides and Cynodon dadylon in Queensland 

 (Tryon), and has been collected as well in Fiji, New South Wales, Java. Ceylon, Florida, 

 Texas, and the Antilles. 



' Asiraca atque genera proxima tribum ' Asiracini ' constituunt. Habent haec calcar subuliforme. 



