Table 2

Table 2. Comparison of the population of insects in four types of palm germplasm (April, 88).

Type of palm*	Spikes per inflorescence	Isects per spike		Total of insects per inflorescence
Type of palm*	Spikes per inflorescence	M.c.	E.k.	M.c.	E.k
Compact	255	267.1	28.0	68108	7129
	239	111.6	144.2	26684	34472
	243	108.2	103.9	26303	25252
	272	158.7	68.9	43178	18744
	316	148.0	108.8	46782	34385
	143	49.0	99.9	7013	14288
Mean	245	140.0	92.3	36344	22378
Total				218069	134272
Hybrid (OxG)	238	83.2	26.6	19810	6321
	280	45.8	42.8	12814	11997
	174	17.2	-	3002	78
	203	13.8	15.6	2804	3172
	241	70.6	7.3	17018	1763
	211	2.3	5.7	488	1206
Mean	224	38.8	19.6	9322	4089
Total				55937	24538
E. oleifera	181	100.9	0.2	18260	46
	152	80.0	0.0	12285	2
	133	160.0	0.5	21284	61
	154	61.8	0.3	9369	50
	192	39.0	0.4	7497	72
	194	39.9	0.3	7740	50
Mean	168	80.4	0.3	12739	46
Total				76437	281
E.guineensis	204	238.5	258.6	48655	52748
	199	93.9	191.1	18684	38033
	235	106.6	154.1	25049	36206
	168	100.0	114.2	16801	19184
Mean	201.5	134.8	179.5	27297	36542
Total				109190	146171
* Ten years old palms except E. guineensis which was eleven years old. Inflorescences around the 5th and 6th days of anthesis.