Table 5.

Chitin and chitosan from aquatic insect and selected edible terrestrial insects.

Order	Species	Developmental Stage	Yield of Chitin (%)	Yield of Chitosan (%)	Reference
Aquatic insects
Coleoptera	Agabus bipustulatus	-	14.00–15.00	71.00	[85]
	Hydrophilus piceus	-	19.00–20.00	74.00
Odonata	Anax imperator	L	11.00–12.00	67.00
Hemiptera	Notonecta glauca	-	10.00–11.00	69.00
	Ranatra linearis	-	15.00–16.00	70.00
Terrestrial insects
Lepidoptera	Bombyx mori	P	2.59–4.23	73.00–96.35	[86]
Coleoptera	Catharsius molossus	A	24.00	70.83	[87]
Orthoptera	Pterophylla beltrani	-	11.80	58.80	[88]
	Brachytrupes portentosus	-	4.30–7.10	55.81–81.69	[89]
	Calliptamus barbaru	A	20.50	74.00–75.00	[90]
	Oedaleus decorus	A	16.50	75.00–76.00
Hymenoptera	Apsis mellifera	A	19.00–36.80	16.00–30.00	[91]
Diptera	Musca domestica	P	8.02	73.19	[92]
	Hermetia illucens	L	7.00	32.00	[93]
	Drosophila melanogaster	A	7.85	70.91	[94]
Blattodea	Periplaneta americana	-	12.17	59.82	[95]

Note: L = larva, P = pupa, A = adult, “-” = not sure; the yield of chitosan is calculated from chitin, or degree of deacetylation.