Inscct^v, etc., lujiuious to the Pear. 



339 



LlFE-IilSTOi;V. 



Tlie (itlult sawlly ap|ic;irs in May and June, (lie uiirliest date 

 noticed lieiiiy tlio lOth ol' ]\[a,y, liut not nntil nearly tlie end ol' tla; 

 mouth did tliey a})pcav in an)' nniuliers in 1889, In ISDIJ [ tool< 

 a few fenuiles as late as the ord of June. 



Tlie female is Idack ; the antenna' and legs yellowish ; the alidou'ieii 

 tawny at the a[)ex, ^\'ith a yellovr triangular u'lark ou the sides of 

 ihe segments, these lateral patches being largest towards the end 



FKi. 1^23.— TKNT "I- S^>i;r.VT. TEAl: >A'^\ FLY. 

 (I tlK'-tlliffl liatinal ^izf.) 



of the abdomen ; ventrallv are to lie seen bands of yellow ; the bases 

 of the mid and hind legs are dusky; the wings trairsparent, with 

 a broad smoky band below the dark bro^vn stigma, and mure nr 

 less iridescent in the sun ; palpi and mandibles yellow. The male 

 has the abdomen reddish-yellow i'rom the second segment to tlie 

 apex, and the louver part of the head yellow. They vary in length 

 from I to a little neire than .V inch across the expanded wiugs. 



z 2 



