476 Mr. KiRB y's Description of several nezi) Species of Insects 



IIYMENOPTERA. 



{Sphegida.) 



TuYNNus Fabr. 



annuhtus. 29. T. fulvescentc-villosus, thorace obscure ferrugineo 

 nigro maculoso, abdomine flavo : segmentis 

 utrinque annulo nigro. 



Long. corp. lin. 15f. 

 Corpus nigrum, pube densa satis fulvescenti vestitum. Caput sub- 

 triangulare ; ore flavo. Clypeus flavus, postice macula dorsali 

 longitudinali subcampanulata nigra. Antennce nigra?. Truncus 

 oblongus, quadrangulus, fulvus : maculis quibusdam obscuris 

 dorsalibus nigris. Pedes fulvi : coxis posterioribus basi nigris. 

 Alee corporis fere longitudine, fuscescentes. Abdomen iineari- 

 lanceolatum, basi retusum, apice deflexum, flavum : seguientis 

 apice annulisque duobus latere exteriori interruptis, mgris. 

 Podex macula nigra. Venter segmentis utrinque lunula, stri- 

 gaque intermedia, nigricantibus; ultimo spina acuminata ar- 

 mato. 



variabilis*. 30. T. rufus, nigro maculosus, abdomine atro : seg- 

 mentis quinque anticis supra et infra flavo 

 maculatis. 



Long. Corp. lin. 13. 



Corpus fere lineare, mollissime sed vix dense fulvo pubescens. 

 Caput flavum : vertice macula magna angulata nigra. Antennce 

 thoracis fere longitudine, setacete, nigrae. Truncus subglobosus, 

 supra fulvus: antice fasciis duabus vitta intermedia connexis, 



* I adopt this name from the MSS. of Dr. Leach, who observes that this species varies 

 considerably. He possesses four varieties, and Mr. MacLeay a fifth. 



nigris, 



