OF NATURAL HISTORY. 787 



and radial, and the second and third cubitiiln, forming u broken 

 or !<lightly dislocated line, the former almost entering the third 

 cubital : meUithorax without lincations on the posterior doclivity, 

 the spiuesdistinct : abdomen politihed, without lines ; potiolar seg- 

 ments or nodes very distinct, Hubc<jual, the posterior one rather 

 larger and spherical : feet more obviously tinged with piceuus nt 

 base. 



Length loss than one-fifth of an inch. 



The connexion between the radial and second cubital i.n very 

 slightly petiolated, and the separating nervure between the first 

 and second cubitals, is almost or fjuite angulated. and is le.sM dis- 

 tinct towards its junction with the discoidal cellule. 



."). M. DIMIDIATA. — l>ody pale yellowish: thorax .somewhat 

 tinged with piceous : wings with a very slight tinge of yellowish ; 

 discoidal cellule in length nearly twice its breadth ; feet filiform ; 

 separating nervure between the first and second cubital cellules 

 abruptly ending at the middle of the usual length, being entirely 

 wanting on the basal half. 



Length over one-fifth of an inch. 



G. M. MOLESTA. — 9 Body pale honey-yellow, immaculate : an- 

 tenna; with the two ultimate joint.s much larger [ 294 ] tlian the 

 others ; the terminal one as large again as the penultimate one : 

 wings whitish; smaller cubital cellule none; discoidal cellule 

 very small, less than half as large a.s the first cubital; first cubital 

 receiving the recurrent nervure near its base ; nervure of the ra- 

 dial cellule terminating abruptly before the tip: the two other 

 apical uervures feebly traced towards the tip and not reaching 

 the tip; metathorax unarmed. 



Length less than three-twentieths of an inch. 



This is called the " little yellow ant,"' and is freciucutly found 

 in houiies in great numbers. They sometimes cat vegetable ftM)d, 

 and some of my garden seeds have severely suffered from their 

 attiicks. They also devour grease, olive oil, i\ic. Their sting is 

 like the puncture of a very fine needle. I placed a piece of 

 meat on a window board freijuented by these little depredators ; 

 it was soon absolutely covered by them, and thus enabled mc t4» 

 destroy thousands, every few hours that 1 returned to cxamint 

 1835.] 47 



