7io INSECTS. HEMIPTERA. 68. Chermes. 



68. CHERMES. Snout placed in the breaft, 

 with 3 inflected briftles: antenncz filiform, 

 pubefcent longer than the thorax : wings 

 4, deflected: thorax gibbous: hind-legs 

 formed for leaping. 



Thefe inhabit various trees and plants and produce, by their 

 punctures, protuberances and excreffences of various fhapes 

 and fizes, in which are frequently enclofed the eggs and infects 

 in their feveral ftates : the larva is 6-footed and apterous : the 

 pifpa is diftinguiflied by 2 protuberances on the thorax, which 

 are the rudiments of future wings. 



* Graminis. On GrafTes, particularly the Aira flexuofa. 



* Ulmi. In the curled leaves of the Ulmus campeflris. 



* Pjri. On the leaves of the Pyrus communis. 



Depeer. Inf. 3. tab. g.jg. 2. 

 Body fmall variegated. 



Cerafii. In the crifped leaves of the Cerauium vifcofum. 



* Buxi. Antennas fetaceous : wings yellowifh-brown. 



Reaum. In). 3. tab* 19. fig. 1 — 4. 



Its punctures make the leaves bend in towards each other at their 



extremity, forming a hollow knob in which the larvae are 



inclofed. 



* TapK * n tne l eaves of the Fagus fylvaticus. 



Ream. Inf. 2* tab. 26, Jig. 1 — 6. 



* Sorbi. On the Sorbus aucuparia. 



Body variegated with black and green. 



Perjicae. On the branches of the Amydalus perfica. 

 Reaum. Inf.. 4. tab. I. fig. 1,2. 

 Body oblong-, ferruginous. 



* Calthae. ^ n tne flowers of the Caltha paluftris. 



Antennae tipt with black; thorax rufous with 3 black curves: 

 wings white with yellowifh veins and a brown dot. 



* Vrticae. 



