Literature references

2 literature references:

Author: Basu, R.C., A.K. Ghosh & D.N. Raychaudhuri
Year: 1973
Title: Studies on the aphids (Homoptera: Aphididae) from eastern India 18. Five new species and thirty new records from Assam
Source: Proceedings of the Zoological Society, Calcutta 26:89-101
Author: Qiao, Guangxue Zhang
Year: 2000
Title: The genus Cervaphis from China with description of a new species (Homoptera: Aphidoidea: Greenideidae)
Source: Oriental Insects 34:325-330