26 HOMOPTERA 



Characters. — Lenght of head more than half the breadth between eyes, including eyes 



considerably broader than base of mesonotum; ocelli much more remote from eyes than from each 

 other; face longer than broad, large and globose; pronotum about as long as mesonotum including the 

 cruciform elevation and longer than head, the lateral margins with a distinct anterior lobe ; abdomen 

 about as long as space between apex of head and base of cruciform elevation; tympana concealed; 

 opercula scarcely extending beyond base of abdomen; rostrum reaching or slighty passing the posterior 

 coxae; tegmina three times as long as broad, basal cell longer than broad, apical areas eight; wings 

 more than half the length of tegmina, apical areas six. 



Type. — M. angularis, Germar. 



Geographical distribution of species. — Australasian Region. 



A. Body above black, head and thorax spotted or marked with ochraceous ; tegmina with the 



veins more or less strongly infuscate. 



i. M. angularis. Australia. 



Cicada angularis, Germar in Silbermann, Rev. Ent. Vol. 2, p. 68 (1834). 

 Macrouislria angularis, Froggatt, Agr.Gaz. N.S.Wales; Vol. 14, p. 418, f. 1 

 (ioo3); Misc. Publ. no. 6 4 3, p. S. t. 2, f. 1 (1903). 



2. M. hillieri. S. Australia. 



Macrotristria hillieri, Distant, Ann. Mag. Nat. Hist. (7),Vol.20,p. 413 (1907). 



3. M. occidentalis. W. Australia. 



Macrotristria occidentalis, Distant, Ann. Mag. Nat. Hist. (8), Vol. 10, p. ^38 

 (1912). 



B. Head and thorax above varying from brownish-ochraceous to virescent. 



a. Tegmina with the transverse veins at bases of upper apical areas more or less distinctly 



infuscate. 



4. M. nigronervosa. Queensland. 



Macrotristria nigronervosa. Distant. Ann. Mag. Nat. Hist. (7). Vol. 14, p. 329 

 (1904). 



5. M. doddi. Port Darwin. 



Macrotristria doddi, Ashton, Proc. Roy. Soc. Victoria (N. S.), Vol. 24, 

 p. 223, PI. 5o, f. 5a, b (1912). 



a'. Tegmina with the transverse veins at bases of upper apical areas not or indistinctly infuscate. 



6. M. sylvara. Queensland. 



Cicada sylvara. Distant, Trans. Ent. Soc. Lond.figoi I, p. 5gi, t. 16, f. in, b. 

 Cicada sylvana. Goding & Froggatt, Proc. Linn. Soc. N. S.Wales, (1904), 

 p. 58o. 



7. M.godingi. — PI. 3, Figs. 23a, b, c. Queensland. 



Macrotristria godingi, Distant, Ann. Mag. Nat. Hist. (7), Vol. 20, p. 412 

 (1907). 



8. M. syhanella. Queensland. 



Cicada sylvanclla, Goding & Froggatt, Proc. Linn. Soc. N. S. Wales (1904), 

 p. 5S2. 



9. M. dorsalis. Queensland. 



Macrotristria dorsalis, Ashton, Mem. Nat. Mus. Melbourne, No. 4, p. 3o, 

 ' pi. 4, fa, 1-2 (1912). 



10. M. interserta. Australia, Murray Island, 



Fidicina intersecta. Walker, List Horn. Vol. 1, p. 97 (i85o). Duke York Island. 



Fidicina intemata, Walker, ibidem, p. 98 (i85o). 

 Fidicina prasina, Walker, ibidem, p. 100 (i85o). 

 Cicada convergens. Walker, ibidem, p. 114 (i85o). 



11. M. extrema. West Australia. 



Cicada extrema. Distant, Ann. Mag. Nat. Hist. (6), Vol. 10, p. 56 (1892). 



12. M. nigrosignata. West Australia. 



Macrotristria nigrosignata, Distant. Trans. Ent. Soc. Lond. (1904), p. 673 

 pi. 29, f. 7. 



