ORDER THYSANOPTERA. 443 



a double row of sharp tubercles. Antennae nearly as long as in 



Phi. aculeata. 



Communicated by Mr. Walker. 



Sp. 7. Phi. annulicornis. Capitis lateribus inermibus. 



In the general proportions, intermediate between Phi. Ulmi and Phi. 

 Stntices. The antennae shorter than in the former of these ; the 

 intermediate joints pale, but all tipped with brown ; the fore 

 shanks and the feet dull ferruginous ; the fore thighs thick, and 

 the thumb as in Phi. Ulmi, fern. 



Stirps II. — Terebrantia. 



Antennce pro typo 9-artictdatce : palpi maxillares 3-articu- 

 lati: elytra parallela, suturd recta, juxtaposita , magis 

 coriacea, nervis 3 longitudi?wlibus. Feminae terebra com- 

 pressa acuta 4>-valvis, rimce in/era: segmentorum 9 ni . et 10 mi . 

 reposita : segmentum 8 vum . in eaclem subtus bipartitum, in 

 mare integrum. Salt ant abdomine repercusso. 



Fam. II. — Stenelytra. 



Palpi recti teretes : antennarum articuli 3 uliimi attenuati, 

 scepius connati, et alter aid omnes obliterati : elytra 

 angusta nervis longitudinalibus tantum ; margine omni 

 nervisque longe ciliatis : terebra feminae decurva, ani am- 

 bitus inferus conformis (concavus.) 



Gen. II. — Heliothrips. 



Corpus reticulatum : collum incisum : antennce apice capil- 

 lacece : alee angustissimce,fere capillares. 



Sp. 1. Hel. Adonidum. Fem. 



Dusky black, the extremity of the abdomen ferruginous. Antennae 

 and legs white, the base and sixth joint of the 'former dusky. 

 Wings almost hyaline. The body above is entirely netted with 

 elevated lines, forming pretty regular hexagons, equal in size on 



. the head, where they are largest, to those of the eyes, and dis- 

 posed in perfect rows on the abdomen. 

 Inhabits flowers in hothouses. Communicated by F.Walker, 



Esq. 



