LOCUSTA. — ilECISTOPTEEYX. 



147 



across tlie head and pronotum ; these stripes are narrower than 

 in L. vw/ratoroides, slightly converge behind, and do not ex- 

 tend to the extremity of 

 the pronotuin, which is 

 smootlier and less con- 

 stricted than in L. 

 migrato ro ides. Tegmin a 

 subhyaliiie, more or less 

 extensively blotched and 

 reticulated with brown, 

 the dark blotches often 

 showing- a tendency to 

 coalesce into transverse 

 bands ; wings greenish 

 or yellowish hj^aline. 

 Hind femora green, 

 thicker and less tapering 

 than in L. mir/ratoroides ; 

 black on the inside to 

 the middle, and with a 

 large black patch be- 

 yond ; npper surface ser- 

 rnlated ; hind tibioe red. 

 Male much smaller than 

 the female. 



LengiJi 32-60 mm. ; 

 Fig. 10-^.— locus/a danka. pronotum, J'O-U mm. ; 



tegmina, 35-58 mm. 

 Found almost throughout the Old World. 



Genus MECISTOPTERYX. 



Mecigtopteri/.v, Saussm'e, 

 pp. 20, 52. 



Mem. Soc. Geneve, xxx (1), 1888, 



Type, (Edlpoda rotundata, Walk. 



Range. India, 

 y^j Size small. Antenuse fihform, rather thickened in the middle 

 and pointed at the tip. Eyes rounded, large, and prominent ; 

 within each a carina runs from the vertex, nearly straight, but 

 rather irregular below, and curving a little outwai'ds to the 

 end of the clypeus ; on the vertex two other carinas curve 

 inwards to forni the sc-utellum of the vertex, and the sulcatiou of 

 the frontal ridge, which is divided by a transverse carina in its 

 narrowest part above the antenna; ; occiput rugose. Pronotum 

 strongly crested, with the three sulci very strongly marked, the 

 ■first and last intersecting the median carina ; the lateral carinas 

 slightly marked ; the hind border obtusely rounded ; deflexed 

 lobes nearly square, but the hinder angle rounded off. Tegmina 

 narrow at tihe base, much widened before the extremity, with the 



l2 



