HOMOPTERA (Continued) 



Species 



Chromosome Number 

 2n n 



Remarks 



Observer 



References 



Aphid, oak, white 



7^(1) 



Stevens '06 



Carnegie Inst. 

 Publ. 51. 



Aphid. Oenothera I (Aphis 10s, 9dm 5o(l) X-06, Stevens '05a,b, Carnegie Inst. Publ. 

 oenotherael 10m k, 5o(ll) 9(l) In , 06, , 09,'10 36; J.E.Z. 2; car- 



parth. 59(l) $ pro- 



Aphid. Oenothera II 



ducing 

 egg. 10 

 (1) in 

 parth. 



egg. 



ikftl.ll) 8 in 

 parth. 



Stevens '06 



negie Inst. Publ. 

 51; J.B.Z. 6; 

 B.3. 18. 



Carnegie Inst. 

 Publ. 51. 



Aphid, pea 

 Aphis rosae 



" (brown) 



Aphid, rose(green ) 



Aphid, rose 



( migratory ) 



Aphis sallceti 



A. salicetl (Harpswell 

 willow) 



8m 

 8+6m 



8o_(l) 

 1^.(1) 



10 



£.(1,11) 



Parth. » 



Chroms. Stschelkanov- 



unre- zew '0l> 

 duced. 



" Hewitt «06 



10s 

 10m 



10m 

 14m 



18m 



5s, 6m 

 60m 

 60m 

 (Parth.) 



5s 

 6m 



56(1,11) Chroms. 

 52.(1,11) unre- 

 lqo_(l) duced in 

 parth. o_. 



105.(1) 



6,7^(11) 



1^(1) 



9^.(1) 



2,3*(ll) 

 6 S (l) 



Stevens '05, 

 '06 



Winter 

 egg. 



Stevens '06, 

 '09 



Stevens '06 



B. Zbl. 2k. 



Mem. Proc. Man- 

 chester Lit. Phil. 

 Soc. 50. 



J.E.Z. 2; Carnegie 

 Inst. Publ. 51. 



Ton Baehr '09 A.Zf. 3. 



Carnegie Inst. Publ. 

 51; J.E.Z. 6. 



Carnegie Inst. 

 Publ. 51. 



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