Cavariella pastinacae (Linnaeus, 1758)

Figs 21, 35B

Aphis pastinacae Linnaeus, 1758: 451.

Specimens examined.

One ap. viv. fem. and one ala. viv. fem., Mongolia, 11.VII.2010, No. 24728, on Apiaceae, coll. L.Y. Jiang ; two ap. viv. fems., Mongolia, 15.VII.2010, No. 24756, on Apiaceae, coll. L.Y. Jiang ; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP956153), China: Xinjiang, 2.VII.2022, No. 55639, on Apiaceae, coll. Y. Xu.

Diagnosis.

Antennae 6-segmented (Fig. 21C), PT> 3.46 × Ant. VIb; ABD TERG VIII with short rectangular supra-caudal process (Fig. 21I); URS wedge-shaped (Fig. 21D), 1.07-1.15 × HT II; SIPH clavate and swollen at middle (Fig. 21H); cauda broadly tongue-shaped (Fig. 21J), with 6-8 setae.

Comment.

The species is first recorded in China. The species resembles Cavariella angelicae, but differs as follows: antennae 6-segmented, PT 3.46 × Ant. VIb ( C. angelicae: antennae 5-segmented, PT 1.95-2.39 × Ant. Vb); SIPH clavate, swollen at middle and constricted distally, with a subapical annular incision ( C. angelicae: SIPH cylindrical, no swollen, without annular incision); Ant. III-IV with 46, two circular secondary rhinaria in alatae ( C. angelicae: only Ant. III with 43 circular secondary rhinaria in alatae).

Biology.

Primary host plant Salix; secondary host plant Apiaceae including Heracleum, Pastinaca, Angelica, Carum, Chaerophyllum, Cicuta, Foeniculum and Torilis (Blackman and Eastop 2022). The species feeds on tender tips (Fig. 35B).

Distribution.

China (Xinjiang), Argentina, Australia, Europe, Mongolia, North America (Blackman and Eastop 2022).