vill BOMBCUS DISTINGUENDUS 187 
12. BOMBUS DISTINGUENDUS, Morawitz. 
Great Yellow Humble-bee. 
Synonym :—elegans, Seidl (in part). 
Related to B. latrezllellus. 
QUEEN.—Large; length 20-23 mm., expanse 39- 
42 mm. 
Dusky yellow or greenish-yellow, soon fading to dingy 
brownish-yellow, with an admixture of black hairs on the 
head, and with a black or dark grey band across the middle 
of the thorax. The yellow is somewhat deeper on the 2nd 
segment of the abdomen than on the rest of the abdomen. 
In light specimens the black band on the thorax is 
often more or less tinged with yellow at the sides. 
Coat longer and denser than in J/atrezllellus, especially 
on the basal segments of the abdomen. 
Head slightly shorter than in /atrez//ellus. 
WORKER.—Length 11-18 mm. 
Resembles the queen except in size. 
MALE.—Length 15-16 mm., expanse 28-31 mm. 
Rather elongate. 
Coloured like the queen. Closely resembles light speci- 
mens of /atrez//ellus, but there is no trace of black hairs on 
the 2nd segment. 
The coat is rather denser and longer than in 
latrewllellus male. 
Antenne as in datrez//ellus ; length of flagellum 6 mm. 
Armature almost identical with that of /atrezdlellus. 
This humble-bee is rare in the south of England; 
it was formerly taken occasionally in the London 
district, and sporadic examples have been recorded 
from Oxford, Bristol, Lyme Regis, Newton Abbott, 
and Truro. In the Dover district I have only taken 
