28 MONOGUAPHIA CIIALCIDUM. 



** Stigma suhtrigona. 



Sp. 7. Dec. variegata. Mas et fem. Nigra, flavo variegata. 



Maris oculi flavo cincti ocellique rufi : proscutellum flavo quad- 

 rimaculatum ; abdomen basi rufum : antennaj fuscas, apice palli- 

 diores : pedes flavi : femora nigro, tibiae fusco maculatse : alae 

 byalinoe : stigma subtrigona, fusca, costam versus nigra : femince 

 caput flavum, nigro variegatum : pro thorax flavus, nigro trimacu- 

 latus : mesothoracis scutum scutellumque flava, lateraliter macu- 

 lata : abdomen maculis duabus lateralibus sublunatis flavis : 

 antennamm articuli 1 et 2 nigro-fusci, apice subtusque flavi. 

 (Alarum longitudo, 1 — 1| lin.) 



Var. 13. — Fem. mesoscutum flavo oblique bilineatimi. 



Far. y. — Fem. mesoscutellum nigrum, immaculatum. 



The proscutellum of the male has four yellow spots, the two 

 interior ones much the largest : that of the female is yellow, 

 witli a black spot on each side, and a larger one in the centre : 

 the mesoscutellum has a yellow margin, interrupted toward 

 the base. 



July ; amongst grass beneath trees ; Southgate. 



Sp. 8. Dec. minuta. Mas. Nigra, flavo variegata, ahdo- 

 mine nigro-fusco, antennis basi flavis. 



Caput flavum, postice nigrum : proscutellum bilineatum, lateribusque 

 flavis : abdomen nigro-fuscum, basi pallidum : petiolus niger : an- 

 tennae fuscae, basi apiceque flavae : pedes flavi : femora tibiaeque 

 fusco maculatae : alae hyalinae : stigma subtrigona, nigra aut 

 nigro-fusca. (Alarum longitudo, 1 lin.) 

 May ; amongst grass beneath trees ; Southgate. 



Sp. 9. Dec. unicolor. Mas. Nigra, immaculata, aid flavo 



himaculata. 

 Oculi ocellique rufl : abdomen basi obscure rufum : antenna-- nigro- 



fuscas, apice subtusque pallidiores : scapus niger : genua tarsique 



flavi : tibias anticae fuscae : alas liyalinae : stigma subtrigona, nigra. 



(Alarum longitudo, \\ lin.) 

 Var. — Proscutellum utrinque flavo maculatum. 



June ; amongst grass beneath trees ; Southgate. 



Sp. 10. Dec. tenuicornis. Mas. Nigra, flavo himaculata, 

 antemiis Jlavis. 



Proscutellum utrinque flavo obscure maculatum : abdomen hasi 



rufum : antennae flavce, basi fuscic : pedes flavi : femora tibia.'que 



