Cryptostigma Ferris 1922
Creators: name: Kondo, Takumasa
name: Roubik, David W.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Coccidae
Cryptostigma

description: Key to the known first-instar nymphs of Cryptostigma Ferris
1 Antennae each 5 segmented............................................................................ 2
- Antennae each 6 segmented............................................................................ 8
2(1) Dorsal setae arranged in 4 longitudinal rows............................................. C. tuberculosum Kondo
- Dorsal setae arranged in 2 submedian longitudinal rows...................................................... 3
3(2) Mid-ventral setae present on all abdominal and thoracic segments. Marginal setae arranged in a double row, those on dorsal surface sharply spinose, those on ventral surface flagellate.............................. C. guadua Kondo & Gullan
- Mid-ventral setae present on last 3 abdominal segments only. Marginal setae in a single row, all sharply spinose.......... 4
4(3) Head region between eyes with 2 pairs of ventral submarginal setae............................. C. silveirai (Hempel)
- Head region between eyes with 1 pair of ventral submarginal setae.............................................. 5
5(4) Femur of each leg with 6‒8 setae (rarely 4 or 5)............................................................. 6
- Femur of each leg with 3 setae.......................................................................... 7
6(5) With two rows of submarginal setae, outer submarginal setae totaling 7, inner submarginal setae totaling 6 on each side (i.e., seta near apex not paired). With 2 setae present submarginally between anterior and posterior spiracular pore bands. Each posterior stigmatic area with 3 stigmatic setae................................................ C. longinoi Kondo
- With two rows of submarginal setae, outer and inner submarginal setae between posterior stigmatic areas and body apex forming 7 setal pairs on each side. With 3 setae present submarginally between anterior and posterior spiracular pore bands. Each posterior stigmatic area with 3 or 4 posterior stigmatic setae............ C. cecropiaphilum Kondo & Roubik sp. n.
7(5) Ventral submarginal setae on abdomen of 2 types, with outer submarginal setae sharply spinose, and inner submarginal setae slender. Most marginal setae strongly bent................................................ C. rhizophilum Kondo
- Ventral submarginal setae on abdomen all slender. Marginal setae straight.................. C. reticulolaminae Morrison
8(1) Dorsal setae absent................................................................ C. biorbiculus Morrison
- Dorsal setae present................................................................................... 9
9(8) Antennal segment III at least 2x as long as antennal segment IV. Each femur with 4‒6 setae......................... 10
- Antennal segment III only slightly longer than antennal segment IV. Each femur with 9 or more setae.. C. chacoense Kondo
10(9) With 1 pair of ventral submedian setae between meso- and metathoracic areas.................................... 11
- Without a pair of ventral submedian setae between meso- and metathoracic areas................................. 12
11(10) Each femur with 5 setae. Each pair of submarginal setae on abdomen with no more than 1 microduct between them........................................................................................... C. jonmartini Kondo
- Each femur with 4 setae. Most pairs of submarginal setae on abdomen each with 3 or 4 microducts between them......................................................................................... C. melissophilum Kondo
12(10) Claw denticle present. Each femur with 4 setae. Anal plates smooth............................. C. urichi (Cockerell)
- Claw denticle absent. Each femur with 4 or 6 setae. Anal plates reticulate.................... C. inquilinum (Newstead)
description: Published as part of Kondo, Takumasa & Roubik, David W., 2022, Description of a new ant- and stingless-bee-loving species of Cryptostigma Ferris (Hemiptera: Coccomorpha: Coccidae) from Ecuador living inside internodes of Cecropia (Urticaceae), with an updated key to the adult females and first-instar nymphs of the genus, pp. 543-554 in Zootaxa 5190 (4) on pages 552-553, DOI: 10.11646/zootaxa.5190.4.4, http://zenodo.org/record/7138503