Six species of introduced Mirinae, Closterotomus norvegicus (Gmelin), Stenotus binotatus (F.), Sidnia kinbergi (Stål), Megaloceroea recticornis (Geoffroy), Trigonotylus tenuis (Reuter), and the recently discovered Taylorilygus apicalis (Fieber) are now known to be present in New Zealand. Descriptions, diagnoses and figures, including male and female genitalia are provided. Biology, host plants, and economic importance are reviewed, and the list of host plants updated. Sidnia kinbergi has been found breeding in high numbers in carrot seed crops.