40 



spaces twice as long as broad (59); second branch, of anal vein 

 irregular; intercalary longitudinal veins of anal area extending not 

 more than one third of the way to the base of the wing. Abdomen 

 heavy; outer surface of hind femora swollen; terminal segment of 

 male somewhat produced, broad, swollen beneath at the base, much 

 broader at base than at tip, compressed on the apical half into a dull 

 carina. 



1. L. Olfersii (Burm.) Scudder. 



Acridium Olfersii Burm., Handb. d. Ent., II, 628. 

 " semiruhrum Serv., Orthopt., 653. 



Gryllus (Locustd) Jlavicorn'vs Stoll', Repr. d. Spectr., etc., Saut. d. 

 Pass., 19, pi. v^I^ fig. 16. 



Crest of pronotum green, not high, the anterior four lobes well 

 rounded, the portion behind serrulate. Wings brilliant carmine red 

 posteriorly as far as the second branch of the anal vein ; above that 

 hyaline, tinged with green, especially toward apex, and on basal half 

 faintly washed with carmine. Hind femora ornamented outside with 

 a single row of roundish or quadrate white spots; hind tibiaj green 

 above and below, the spines rosy, green at extreme base, black at 

 extreme tiji. 



Expanse of tegmina, 9 ] 37-145"""-; 5 06""°* 



China (De Geer) ; Cayenne (Serville); Rio (Burmeister). 



Rio (Peab. Acad., m,y coll.). 



2. L. Velasquezii (Nieto) Scudder. 



Acridium Velasquezii Kieto, Rev. et Mag. de Zool., 1857, 360; 

 Nouv. Orth. de Mex., 2. 



Acridiwn Olferxii Sauss., Rev. et Mag. de Zool., 1861, 162, 163; 

 Orth. nov. amer., II, 13. 



Crest of pronotum green, tipped with red, pretty hi^h, the four 

 anterior lobes rounded, the part behind serrulate, but anteriorly form- 

 ing a fifth lobe. Wings much as in L. Olfersii. Hind femora orna- 

 mented externally with small white roundish spots arranged on the 

 basal half in a double, and on the apical half in a single row; hind 

 tibiaj roseate above, greenish beneath, the spines green, their tips 

 blackish. After Nieto. 



Expanse of tegmina 141 °™' (Nieto). 



Vera Cruz, Mexico (Nieto). 



Saussure refers this species, but I think incorrectly, to the preced- 

 ing species. 



3. L. Humboldtii Scudder. 



Crest of pronotum very high ; the four anterior lobes greatly com- 



