1920.] 



43 



Apterous Tinipnrou^ Female. — Elon-jate, linear, not quite so flat as the 

 preceding species, brown, very bristly, seen in profile the bristles are upon 

 tubercles. Antennae o-segniented ; I with 3 spines ; II with 1 spine and a 

 single small sensoriura on the distal end, the two segments subequal ; III with 

 4 spines, distal half faintly imbricated, more than twice the length of II; 

 IV with 2 spines, somewhat shorter than II ; V with spur and base equal, 

 the two together considerably longer than III, 3 short spines at the tip, 

 sensorium compound. Proportions of segments are, 18, 16, 88, 17 (22-23). 

 Head with 5 strong spines near base of antennae, and other 3 behind the eye. 

 Rostrum reaching to the 2nd pair of coxae, somewhat bluntly pointed. 

 Segments of thorax well marked, lengtli in the proportion of 6, 7, 4. First 

 segment of the abdomen distinct, not quite so long as the metathorax, the 

 following segments faintly discernible, about 8 times the length of the 1st. 

 Pore-like nectaries on the 5th segment near the anterior margin. Apical 

 segment distinct, 3 times broader than long, spiny round the margin. Legs 

 pale brown, sparsely covered with moderately long hair. 



Measurements: Antenna "52 mm., head '21 ram., prothorax •21 ram., 

 mesothorax '26 ram., metathorax "14 ram., 1st abdominal segment '14 mm. 

 Hind leg: trochanter+femur '44 mra., tibia '68 mm., tarsus+claw "14 ram. 

 Total length of insect 2'2 mra., greatest bi'eadth "7 mra. 



Oviparous Female. — This does not differ materially from the apterous 

 viviparous female except in the hind tibia, which has the characteristic figure 

 of 8 sensoria similar to those in A. serrulatus. 



Fig. 4. — Atheroides hirtellas Halid. Abdomen of winged 9 ^"d antenna. 



On Juiicus (irficulafus {Raliday) and grasses {Walker) near 

 Lancaster and near Belfast. 



