Aleuroclava canangae (Corbett, 1935)

Josephrajkumar, Arulappan, Evans, Gregory, Babu, Merin, Anes, Kakkanattu Meerasahib, Sajan, Jilu V. & Hegde, Vinayaka, 2024, Discovery of Aleuroclava canangae (Corbett) (Hemiptera: Aleyrodidae) on Coleus in India and the establishment and review of the Aleuroclava canangae species group, Journal of Natural History 58 (17 - 20), pp. 603-623 : 614-616

Key to puparia of the species in the Aleuroclava canangae species group

1. Lateral margin differentiated at thoracic tracheal opening as a pore or cleft ..... 2

1b. Lateral margin undifferentiated at thoracic tracheal opening ................................... 6

2(1) Tracheal opening large, round and drop-shaped; submargin without a row of papillae; dorsum smooth; vasiform orifice (vo) cordate; body 1.3× as long as wide; caudal setae (Cas) 1.3× as long as the vo; China, India on Litsea and Mussaenda ( Figure 3A ) ........................................ ........................................ ayyari Sundararaj and David

2b. Tracheal opening cleft shaped; submargin with or without a row of papillae; dorsum and vo variable; body 1.4–1.7× as long as wide; Cas/vo 1.0–6.0× as long as the vo ........................................................................................................................................... 3

3(2b) Submargin without a row of papillae; dorsum punctate; vo subrectangular; Cas 1.0× vo; setae on first abdominal segment (As1) 2.0× radius; China, India on Elatostema ( Figure 3G ). ............................ ............................ lefroyi Sundararaj and David

3b. Submargin with a row of papillae; Cas 2× as long as the vo (except 0.5× in A. fletcheri ); As1 setae less than 2.0× radius ....................................................................... 4

4(3b) Submargin with punctate sculpture and with about 40 pairs of tall papillae with pointed apices extending to the lateral margin; dorsum of abdomen without rows of round pores; body 1.7× as long as wide; Cs1 1.8× radius; As1 1.5× radius; India on Xeromphis ( Figure 3I ) ....................... ....................... papillata Sundararaj and Dubey

4b. Submargin smooth and with about 20 pairs of short papillae with rounded apices not extending to the lateral margin; body 1.4–1.5× as long as wide; Cs1 1.6–1.7× radius ................................................................................................................................................. 5

5(4b) Dorsum pale with a dark central area; Cas 2.4× vo; submedian area of cephalothorax with three pairs of enlarged tubercles; entire dorsum with microtubercles; India, Malaysia on Cananga , Coleus , Psidium ( Figure 3C ). canangae (Corbett)

5b. Dorsum entirely pale; Cas 6.0× vo; submedian area of cephalothorax without enlarged tubercles; microtubercles present only on the submarginal or submedial region; dorsum of abdomen with 3 rows of 5–6 evenly spaced round pores; Malaysia on Macaranga ( Figure 3H ) ...................... ...................... macarangae (Corbett)

6(1b) Submargin with three pairs of large subcircular lobes; dorsum with reticulate sculpture; lateral margin where thoracic tracheal furrow undifferentiated from lateral margin; submargin without a row of papillae; Cs1 and As1 subequal, each about 1.9× vo; India on Ficus ( Figure 3L ) .................. tripori (Dubey and Sundararaj)

6b. Submargin without large subcircular lobes; dorsum not reticulate; lateral margin variable; submargin with or without a row of papillae; Cs1 and As1 not subequal and each about 1.9× vo ............................................................................................................. 7

7(6b) Submargin with striate sculpture; cleft along the posterior margin of vasiform with a medial tooth ................................................................................................................................ 8

7b. Submargin smooth; cleft along the posterior margin of vasiform without a medial tooth ................................................................................................................................................... 9

8(7) Apical joint of Cs1 setae much longer (about 2×) as long as the basal joint; Cas 5× vo; Cs1 and As1 subequal, each 1.6× radius; Malaysia on Ficus and Euphorbia ( Figure 3D ) ........................................................ ........................................................ fici (Corbett)

8b. Apical joint of Cs1 setae much shorter (about 0.3x) as long as the basal joint; Cas 2.0× vo; Cs1 2.1× and As1 1.6× radius; Malaysia on Baccaurea ( Figure 3B ) ................ ........................................................................................................................ baccaureae (Corbett)

9(7b) Cas short, 0.5–1.3× vo; Cs1 1.5× radius; As1 1.1–1.2 radius ...................................... 10

9b. Cas longer, 3.0× vo; Cs1 1.9–2.0× radius; As1 1.5–1.9 radius .................................... 11

10(9) Vo wider than long; dorsum smooth; abdominal segments without median tubercles; Hong Kong, India, Malaysia on various hosts ( Figure 3F ) .......... indica (Singh)

10b. Vo longer than wide; dorsum smooth with punctate areas, abdominal segments with median tubercles extending along the abdominal sutures; India, various hosts ( Figure 3E ) ................................................................ fletcheri (Sundararaj and David)

11(9b) Abdominal segments II to IV with median tubercles; vo quadrate; caudal furrow not closed at its anterior end; As1 1.9× radius; Sri Lanka on Macaranga ( Figure 3I–K ) .......................................................................................................................... srilankaensis (David)

11b. Abdominal segments II–V and VII with chitinised thickened areas and extending into subdorsal area; vo longer than wide; As1 1.5× radius; India, Malaysia on Macaranga ( Figure 3J ) .................................................. sepangensis (Martin and Mound)

Figures

Figure 3. Puparia of the A. canangae species group (A) ayyari, (B) baccaureae, (C) canangae, (D) fici, (E) fletcheri, (F) indica, (G) lefroyi, (H) macarangae, (I) papillatus, (J) sepangensis, (K) srilankaensis, (L) tripori. Abbreviations: ams (anterior marginal setae), As1 (first abdominal setae), As8 (eighth abdominal seta), Cas (caudal setae), cf (caudal furrow), Cs1 (cephalic setae), op (operculum), pap (papillae), pms (posterior marginal setae), tc (tracheal cleft), vc (vasiform orifice cleft), vo (vasiform orifice). Sources: A, B, E: Sundararaj and David (1993); C, D, J–L: Corbett (1935); E, F: Sundararaj and Dubey (2004); G: Sundararaj and David (1992); H: David and Subramaniam (1976); I: David (1993).