An analysis on the divergence of Chironomid spp. based on the study of 18S rRNA and polytene chromosome organization in the species revealing the role of environment on speciation

The Journal of Basic and Applied Zoology

Table 1 Polytene chromosome features in different species of Chironomus (Figs. 2, 3, 4, 5, 6, 7, and 8)

Name of the species	Number of bands (major) arm wise								BR^a total	NOR^b total	Number of waists, arm wise								Centromere total
Name of the species	A^	B^	C^	D^	E^	F^	G^	total	BR^a total	NOR^b total	A^	B^	C^	D^	E^	F^	G^	total	Centromere total
C. javanus	57	62	64	58	49	67	40	397	3	2	2	2	3	3	4	4	2	20	4
C. dorsalis	54	84	78	92	47	82	32	469	3	1	1	1	2	2	2	2	2	12	6
C. riparius	50	66	59	64	36	53	26	354	2	1	4	3	4	5		2	1	19	4
C. matures	57	73	51	49	39	59	41	369	3	1	5	3	3	2	2	3	2	20	4
C. maddeni	56	55	36	42	66	46	42	343	1	1	3	4	4	1	1	2	2	17	4
C. duplex	56	66	67	76	55	61	38	419	1	1	2	2	4	2	3	4	2	19	4