234 FAMILY VI.— LOCUvSTID^. 



bb. Tegmina of equal width throughout; body slender. 



campestre. 

 aa. Apical half of posterior femora armed beneath with sev- 

 eral small spines, 

 b. All the tibiae and tarsi black or dark hrown.. nigripes. 

 bb. The tibiae and tarsi green or reddish-brown. 



silvaticutn. 



Orchelimum valgare Harris. 



COMMON MEADOW GRASSHOPPER. 



It is a medium sized, robust insect, with the general color 

 green or light reddish-brown. Face light green or light 

 brown without fuscous marks. The occiput and disk of 

 pronotum with a reddish-brown band, widening on the lat- 

 ter, where it is often, especially in the male, bordered on 

 each side with a darker line. The male (as in most of our 

 species) with two short, black dashes on each wing-cover, 

 the four forming the angles 

 of an assumed square, en- 

 closing the tympanum. The 

 legs usually pale brown, 

 the tarsi dusky. Pronotum 

 long, its posterior lobe but 



,. 1 , T , 11 1 Fig- 155. — OrcheUmiim vvlgare, male. 



shghtly, it at all, upturned original. 



above the plane of the anterior, its hind margin rounded. 

 Tegmina reaching to or ver^^ slightly beyond the apex ol 

 hind femora, and equalling or very little shorter than the 

 wings. Cerci of male rather long, the apex bluntly rounded, 

 a little depressed; the sub-basal tooth somewhat flattened, 

 with the tip sharp and decurved. 



Measurements. — Male: Length of body, 18 mm.; of 

 pronotum, 6 mm.; of tegmina, 21 mm.; of hind femora, 18 

 mm. Female: Length of body, 19 mm.; of pronotum, 6.2 

 mm.; of tegmina, 21 mm.; of hind femora, 18.5 mm.; of 

 ovipositor, 7.5 mm. 



