Threatened edible insects in Hidalgo, Mexico and some measures to preserve them

Table 2 Quantity variation obtained (1980–2006) of threaten edible insects in Tulancalco, Hidalgo in an area of 100 Km²

Species	Number	1980	1990	2000	2006
L. apiculatum M.	Nests	8	7	4	2
A. hesperiaris W.	Organisms	39	112	85	43
C. redtembacheri H.	Organisms	480	283	247	180
S. acupunctatus G	Organisms	120	132	84	52
Th. gigas B.	Organisms	7000	5315	4200	3008
M. melliger W.	Organisms	280	178	87	30
P. (M.) occidentalis nigratella B.	Hives	25	17	12	8
Axayacatl (Corixidae bugs)	weight [Kg]	1.5	1.3	0.424	0.210

ISSN: 1746-4269