21. Dryinid wasp larvae are parasitoids on various species of hemipterans , The female injects an cocoon. 22. Among the more noted trophobiotic groups are ants and members of a number of hemipteran families. 23. Honeydew is particularly common as a secretion in hemipteran insects and is often the basis for trophobiosis. 24. The odd, relictual family Myerslopiidae is one of the most recently described of all Hemipteran families. 25. Detailed work of Sri Lankan hemipterans are recorded in book " Catalogue of Hemiptera of Sri Lanka. 26. The genus " Phytomonas " is excluded due to it being exclusively found in Hemipterans . 27. Like all hemipterans , jewel bugs undergo nymphs ( usually five ) through successive moltings ( ecdysis ). 28. Some ants bring hemipteran larvae into the ant nests and rear them along with their own ant brood. 29. Various species of the Hemipteran suborder Heteroptera, in the family Reduviidae feed largely or exclusively on ants. 30. Hemipterans have been cultivated for the extraction of dyestuffs cochineal ( also known as carmine ) and for shellac.
